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NTT Communications

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NTT Ltd.

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Protecting the Environment

Initiatives to Protect the Environment

Green ICT Our Action

Through our business activities, we work to protect the environment in three focus areas.

 

Realizing a Low-Carbon Future
Implementing Closed-Loop Recycling
Planning a Future of Natural Harmony

Realizing a Low-Carbon Future

The need to realize a low-carbon society is becoming an increasingly urgent challenge that extends well beyond national and organizational boundaries. Addressing this challenge will help ensure the prosperity of humankind as well as every living organism on the planet, while meeting certain imperatives including goals 13, “Climate Action,” and seven, “Affordable and Clean Energy,” of the UN’s SDGs. The NTT Communications Group is taking a diversified approach in order to address this issue. Among a host of initiatives, we are installing highly efficient equipment with better energy-saving features, providing excellent services with a low carbon footprint, and undertaking environmental contribution activities.

Goal 7:Ensure access to affordable, reliable, sustainable and modern energy for all
Goal 13: Take urgent action to combat climate change and its impacts

Company Initiatives

Making Air-Conditioning at Data Conters More Efficient

An important theme in reducing power consumption at data centers is making air-conditioning more efficient. From the data center design stage, we are bringing in the following wide-ranging innovations.

(1)Innovation in Buildings

To increase the heat insulation of buildings we are working to improve efficiency from the structural aspect, such as by adopting innovations that utilize thick concrete panels and insulation materials and by reducing the window surface area. With regard to air-conditioning, we are absorbing heat such as that generated by the IT equipment in rooms, liquefying the refrigerant cooled by the convection force of heated refrigerant rising as gas and by outside air, using the downward convection force from the difference in height of the equipment, and taking advantage of a natural refrigerant circulation system to use power sources and pumps as little as possible. These technologies are used in combination at the Tokyo No. 5 Data Center and are bringing about a reduction in CO2 emissions.

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(2)Innovation in Server Rooms

Depending on the loucation, temperature differences occur in a server room as the amount of heat generated in a server room depends on the various types of server installed. While effectively eliminating this, efficient cooling is important in curbing CO2 emissions. To achieve this at our data centers we are implementing finely tuned air-conditioning management innovations. For example, we have introduced the SmartDASH*1 automatic air-conditioning control system, installed the Aisle Capping*2 airflow control solution, which increases the rectifying effect of the cool air, and the Blank Panel system, which is capable of efficiently cooling servers by utilizing the cool air trapped in the spaces between the server racks.
Since fiscal 2012, we have accelerated our efforts to create server rooms with total solutions entailing both hardware and software for air conditioning management. As only a leading ICT company can, NTT Communications promotes energy-saving solutions throughout the Group by proactively implementing these solutions in its regional data centers and telecommunications buildings.

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*1 Depending on the country and region, SmartDASH is a registered trademark or trademark of Vigilent Corporation.
*2 Aisle Capping is a registered trademark of NTT Facilities, Inc.

(3)Deployment of Fresh Air Air-Conditioning Systems

Tokyo No. 6 Data Center:
High-efficiency modular chillers

Fresh air air-conditioning systems are systems that use air outside the building when it is cooler than the air inside the building, even during cold winter and warm weather. Rows of servers, networking equipment and other ICT equipment in data centers generate a lot of heat, and fresh air air-conditioning systems are an effective way of cooling down data centers while contributing significantly to lowering energy usage. NTT Communications has installed a direct fresh air air-conditioning system that draws in fresh air from ventilation towers at its Tokyo No. 6 Data Center, as well as an indirect fresh air air-conditioning system that utilizes air cooled from heat exchangers at its Data Center in the U.K. The Company continues to deploy advanced fresh air air-conditioning systems around the world.

 

(4)Complete Airflow Management

The arrangement of hot aisles and cold aisles as pathways for hot and cold airflow is an issue that can significantly impact the efficiency of a building's air conditioning system. To realize optimal airflow management, we have innovated literally from the ground up by redesigning the floors of our data centers. These innovations include panels that vent chilled air circulated under a false floor, horizontal air conditioning that blows air from the walls into the room, large fans on the walls near the ceiling to efficiently move hot air out of the room, and an exhaust chamber. By combining these innovations with fresh air air-conditioning systems, we aim to create optimal airflow throughout the entire building.

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Airflow management at the Tokyo No. 6 Data Center

Using our Data Center Know-How to Control Airflow: “Airflow Improvement”

We are applying the knowledge we have gained building low-carbon data centers to our telecommunications facilities. For example, we have conducted "airflow improvement" initiatives since fiscal 2011 in the communications equipment rooms of our communications buildings in each region.

 

(1)Diffuser (wind direction panel) installation
Diffusers are installed to direct exhaust heat from the rear of ICT equipment upward and away from other devices.

Diffuser installation

(2)Screen Installation
Screens are installed to ensure that the exhaust heat from various equipment does not flow onto other devices.

Screen Installation

(3)Floor panel improvement
Steps taken to confirm heat accumulation and points of excessive cooling and improvements made through adjustments using retractable fins, curing tape and other items to control underfloor air flow.

Floor panel improvement

(4)Drawstring bag application
Drawstring bags are applied to prevent the leakage of cold air.

Drawstring bag application

 

We expect these initiatives to have a greater impact as we gradually expand these measures to other facilities around the world, and apply this expertise to energy management for office buildings.

Efficient Power Supply by Leading-Edge Technologies

Requiring large numbers of AC/DC converters when supplying power to equipment, the currently widely used alternating current (AC) power supply suffers problems from the efficiency standpoint, such as heat release and power loss. The low-voltage direct current (DC) power supply has therefore been used in the past, but this has raised many issues from the building work and cost aspects as DC requires thick cabling to supply power to high-capacity IT equipment. The high-voltage direct current (HVDC) system is attracting attention as a technology that can rapidly resolve these issues. By introducing this system, positive steps are being taken to realize such improvements as a 20% reduction in power consumption and a 40% improvement in space efficiency.

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Improving Environmental Performance Globally

The NTT Communications Group has data centers and telecommunications facilities located throughout the world, and we proactively transfer our home-grown technologies and know-how for improving environmental performance to these facilities around the world. As of the end of fiscal 2013, the number of facilities using SmartDASH stood at 28 locations, and the number of data centers with Leadership in Energy and Environmental Design (LEED) certification, a world standard for green buildings, was 10 locations.
* An environmental performance rating system for buildings created by the U.S. Green Building Council.

Case (1)
Energy Conservation at Hong Kong Financial Data Centre (FDC) The Hong Kong FDC obtained LEED Gold certification in fiscal 2013 in recognition of its deployment of advanced environmental technologies and highly efficient equipment. With the aim of improving as much as possible the cooling efficiency of facilities and equipment, which affects environmental performance considerably, the Hong Kong FDC features inverter-controlled fans in its air conditioning systems, cold-aisle containment to separate cold air from the heat given off by servers, as well as double-floor, double-ceiling air conditioning chambers. The power source for the operations center features a fuel cell-based UPS (Uniterruptible Power Supply), which helps our customers achieve their energy reduction targets through substantial energy savings.

picture Air conditioning system that blows cool air from walls

Air conditioning system
that blows cool air from walls

Case (2)
Energy Conservation at the U.K. Data Center In June 2012, NTT Communications acquired U.K.-based Gyron Internet Ltd., a provider of cloud computing services in Europe. We have been working since then to conserve the energy used by the data center by installing the latest environmental technologies. Specifically, we have implemented an efficient air conditioning system for the entire data center, which offers world-class energy-saving performance and high reliability, by using indirect outdoor air cooling and air conditioning systems that blow cool air from walls using airflow optimization technology.

Utilization of Green Energy

Centered on its data centers with in the Tokyo metropolitan area, NTT Communications is installing solar panels. The electricity generated covers, for example, the lighting of common areas.

In fiscal 2017, NTT Communications generated 372,069 kWh of solar power. Converted to CO2, this equates to 174,343 kg-CO2, which is equivalent to the amount of CO2 absorbed by 12,453 Japanese cedar trees in a year.

Not confined to Japan, green energy is being introduced at our data centers in Singapore and Malaysia, and its use also promoted elsewhere overseas.

Fiscal 2017

Proactively Using Clean Energy Overseas

picture Solar heat power generation system in Hong Kong and wind turbine in India

Solar heat power generation system
in Hong Kong and wind turbine in India

Clean energy must be used in a way that conforms to the characteristics of local communities and climates. We accordingly deploy a variety of renewable energy sources. Our data centers in Singapore and Malaysia feature solar power generation systems, our data centers in Hong Kong have solar heat power generation systems, and our data centers in India and office buildings in Thailand have wind power generation systems.

Initiatives in Fuel Cells

picture Fuel cells

Fuel cells

Fuel cells have attracted attention around the world as a next-generation energy source that is easy on the environment. Fuel cells generate electricity via chemical reactions without emitting CO2, and are more efficient at generating electricity than thermal-fired power generation, for example. Moreover, fuel cells can be installed on site at data centers, thereby minimizing electricity loss during transmission. In the U.S. and in California in particular, more and more companies have decided over the past few years to deploy fuel cells in order to ensure the stable operation of their facilities and to contribute to improving regional electric power grids as existing electric power companies approach the limits of their power generation capacity. At our Lundy Data Center in California, we have contributed to energy conservation in the region by continuing to operate fuel cells that generate electricity from biogas since fiscal 2011.

Measures to Save Electricity Internally

picture CO2 Reduction Effect

Office Database Visualization Website

In addition to installing environmentally friendly equipment, the NTT Communications Group promotes measures to save electricity in its offices. Specifically, we participate in the Cool Biz and Warm Biz campaigns during the summer and winter months. Among a host of other measures, we adjust the temperature settings of air conditioners while taking into consideration workplace environments and operating efficiency, cut back the number of lights employed while modifying the space between lighting fixtures and the degree of illumination, and encourage employees to switch off office automation equipment when not in use as ways to save electricity throughout the year.

Initiatives using ICT include measures to save electricity in our offices through the Office Database Visualization Website on our intranet, which aggregates and visualizes environmental impact data at the organizational level. NTT Communications aims to lighten its environmental load by reducing the electricity used to power its servers, by moving and consolidating servers to an internal ICT infrastructure on a private cloud that leverages server virtualization for internal systems.

NTT Communications has directed its overseas bases to follow the lead of its domestic bases in turning the power off to unneeded lighting, air conditioners and PCs, as yet another way to cut electricity use.

Initiatives for Society

Enterprise Cloud : Streamlined Integration of ICT Infrastructure

As companies accelerate their expansion overseas through mergers and acquisitions, it is becoming all the more necessary to streamline and integrate their ICT infrastructure on a global scale. From an environmental standpoint as well, companies are dealing with the issue of reducing the wasteful use of resources, especially investments in redundant equipment throughout the corporate group. Enterprise Cloud is a world-first cloud-based service for corporations that uses virtual network technologies between data centers in addition to within data centers. Utilizing cutting-edge virtualization technologies, including virtual servers and virtual networks, Enterprise Cloud integrates ICT systems that companies had deployed and operated differently in each region and office. This service makes it possible to deploy integrated ICT infrastructure that cuts out the wasteful allocation of equipment and personnel throughout corporate groups.

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Recent installations have proven the major benefits of this service. When virtual servers are deployed through the service instead of traditional physical servers and storage devices on the customer's premises, the number of physical servers in operation are reduced, thereby cutting CO2 emissions by 97 t-CO2 annually (about 74%) in the case of a small or medium-sized company.

Data Centers Consolidate Corporate Customer's Servers and Conserve Energy

Data Centers Consolidate Corporate Customer's Servers and Conserve Energy

Our data centers, located in major cities throughout Japan and in key overseas regions, provide high-quality cloud-based services via an integrated telecommunications network. At the same time, our data centers boast the highest level of energy efficiency in Japan with optimal airflow management in server rooms and the world's most efficient air conditioning systems.
By offering our corporate customers these green data centers around the world, each customer is able to reduce their carbon footprint as we move one step closer to a low-carbon society.

Arcstar Universal One Offers an Innovative Way to Work on Mobile Devices

Arcstar Universal One Offers an Innovative Way to Work on Mobile Devices

Arcstar Universal One is a virtual private network (VPN) service we offer for corporations that allows employees to securely access corporate systems over high-speed communications from locations outside their company. As a part of our Arcstar Universal One service, we also provide a high-speed data communications environment for mobile devices to connect securely to VPNs. This service expands the range of possibilities for working outside the office, while reducing the need to move in order to work in the office.

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Reducing Environmental Impact Using the Arcstar IP Voice Service

IP telephone services that help curtail call charges are also becoming increasingly popular with the widespread use of the Internet. As a high-quality IP telephone service geared toward the corporate sector, Arcstar IP Voice not only contributes to lower call charges, but is also environmentally friendly.

For example, positive steps can be taken to cutback the amount of network infrastructure CO2 emissions by integrating voice and data communications into a single network. Moreover, and in line with network integration, the opportunity exists to reduce electricity consumption through the upgrading of ICT equipment. Studies have shown that the introduction of Arcstar IP Voice has contributed to an annual reduction of 30% in the amount of CO2 emissions compared with such conventional means as the use of ISDN networks for voice calls and VPN networks for data communication

The graph depicts respective percentages with the amount of CO2 emissions using conventional means set at 100%

Making Working at Home Easy and Simple with Enterprise DaaS

Making Working at Home Easy and Simple with Enterprise DaaS

In recent years, an increasing number of companies have changed their approach to work, allowing employees to work from home, for example. However, considerable effort is often required to create a business environment that is the same as the office for employees working from home, and the cost of equipment cannot be ignored either. Enterprise DaaS is a cloud-based desktop virtualization service that contributes substantially to the smooth rollout of business environments for employees to work from home. NTT Communications' cloud computing service, Enterprise Cloud, hosts a virtual desktop environment that is the same as one inside the office, and makes it possible for employees to securely access this virtual desktop from home. Employees working at home can use a desktop environment that is practically identical to one at the office, and companies are able to significantly reduce the effort it takes to maintain and administer the equipment.

Enterprise Cloud

Implementing Closed-Loop Recycling

Goal 12, “Responsible Consumption and Production,” of the UN’s SDGs highlights the importance of initiatives aimed promoting the proper use of limited resources as well as the need to address such key issues as pollution and waste. At each and every workplace including offices, data centers, and communication facilities, we are advancing measures that stand at the forefront of efforts designed to realize a recycling-based society.

 

Goal 12: Ensure sustainable consumption and production patterns

Company Initiatives

Recycling Old Communications Equipment

To realize a closed-loop society, corporations are expected to recycle as much as possible in accordance with the nature of their operations. As a global ICT company, NTT Communications has for a long time recycled its old communications equipment.
Our own efforts are obviously important in recycling, and initiatives across our entire supply chain are also paramount. Waste from communications facilities is separated and reused as much as possible as a companywide policy. NTT Communications selects its waste management contractors based on their qualifications with a heavy emphasis on recycling ratios.
Thanks to these initiatives, the recycling ratio for old communications equipment remained at the high level of 99.57% in fiscal 2015.

Adopting Rotary UPS

picture Rotary UPS

Rotary UPS

Data centers need to be capable of operating stably even in the event of a power failure. For this reason, uninterruptible power supply (UPS) systems are being widely installed as a backup power source. As conventional UPS systems frequently use batteries, problems have arisen with the generation of waste materials that include lead when UPS equipment has been replaced. We are focusing our attention on rotary UPS systems, which integrate generators and a UPS and thus negate the need for batteries. By widely adopting rotary UPS at our newly built data centers in Japan and overseas, we are focusing on curbing the harmful substances that arise from data centers.
Rotary UPS systems have been deployed at our Singapore Serangoon Data Center since it opened in fiscal 2012 and at our Tokyo No. 6 Data Center since it opened in fiscal 2013. Rotary UPS systems are one facet of our highly reliable, clean energy next-generation data centers that have been praised by financial institutions and many other corporations.

Effective Water Usage

picture  A water storage tank at Serangoon Data Center after it had undergone environmental assimilation with greenery.

A water storage tank at Serangoon Data Center
after it had undergone environmental
assimilation with greenery.

In recent years, the world's attention has been turning to the depletion of water resources, and there have also been heightened calls demanding that companies make more efficient use of water. We had been bearing in mind effective water use at our data centers for some time, but are accelerating our efforts following this global movement. Specifically, we incorporated extensive innovation into our Serangoon Data Center in Singapore from the design stage, effectively using sprinklers in the vicinity of the facility and rainwater to supply water to a pond. We installed rainwater storage facilities so that the rainwater would not be contaminated by oil from the data center. We are also taking measures to prevent pollution. Deploying these initiatives in all parts of the world, we are promoting the effective use of precious water resources.

Initiatives for Society

Online Paperless Meetings With Arcstar Web Conferencing

Online paperless meetings are an important business issue from the standpoint of reducing costs and minimizing the movement of people. Teleconferencing systems have tried to address this issue, but their proliferation was restricted by substantial upfront investment and requirements for dedicated equipment and communications lines. We set out to solve these problems, and created a web conferencing system that can be used from any device connected to the Internet, whether it be a PC, tablet or smartphone, while allowing participants to share documents and collaborate on creating documents. As it follows the SaaS model, which requires little upfront investment, we believe this service will hasten the proliferation of online paperless meetings.

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Planning a Future of Natural Harmony

In addition to measuring the state of the earth’s health, biodiversity brings a host of benefits to humankind. Goals 14 and 15 of the UN’s SDGs strongly advocate the need to conserve the biodiversity of life below the water and on land as the means to realize a society that coexists with nature. In order to pass on a world that is brimming with diversity, it is vital that we reflect on ourselves as a matter of course and engage in a wide range of activities. This includes putting forward services that help conserve biodiversity while promoting social awareness.

Goal 14: Conserve and sustainably use the oceans, seas and marine resources
Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss

Company Initiatives

Guidelines for Facilities that Show Regard for Biodiversity

For facilities that show regard for biodiversity, we are establishing guidelines to serve as policies applicable to all our facilities, not solely to data centers. From the selection of the site to the construction and demolition of a facility, the guidelines list items that should be emphasized from the biodiversity point of view; we rigorously adhere to these guidelines. We want to contribute to the creation of a global sustainable society by sharing these guidelines throughout the NTT Communications Group.

Examples of Emphasized Items

Site selection Presence or absence of habitat/nesting sites of rare species
Construction Work that does not interfere with wildlife, prevention of environment destruction
Operation Management of chemicals, reduction of emissions
Demolition Return of site to its original state, proper waste disposal

Planting of Rooftop Gardens / Green Walls

It is widely known that planting rooftop gardens and installing green walls contribute to curbing a building's heat retaining effects and, by extension, CO2emissions. At the same time, however, these measures have other effects, such as the absorption of pollutants in the atmosphere by plants. In recent years, greening measures have also been attracting attention from the point of view of creating towns that are in harmony with nature. As part of our efforts to protect the environment through our business activities, we are actively incorporating greening measures at each one of our data centers.

Example:

Installation of green walls at the Tokyo No.5 Data Center

As a data center in the Tokyo metropolitan area, uppermost in our minds is the reduction of CO2 emissions and lush scenery that is in harmony with the area.

Bulding of Plant Life-Friendly Data Centers

picture Green areas that reflect species of tree found locally.

Green areas that reflectspecies of
tree found locally.

When building a data center, we endeavor to utilize plants found at the construction site. At the Serangoon Data Center in Singapore, for example, we examined making extensive use of specific vegetation from the initial design phase. As a result, we carried out construction in a way that as far as possible avoided cutting down vegetation, including transplanting. At the same time, we realized a new data center that incorporates trees evoking the local virgin forest in the facility's green area. We will deploy this range of expertise in the varied data centers that we will be opening.

Participating in Urban Tree-Planting Promotion Business Activities

spring-summer zoneautumn-winter zone

spring-summer zone autumn-winter zone

NTT Communications unveiled its 6th and largest data center in Tokyo in April 2013. Under the auspices of the Tokyo Metropolitan Park Association's Municipal Tree-Planting Fund, the Center is actively promoting tree-planting activities deeply rooted in the local community. As a part of these endeavors, trees have been planted within the Center's grounds in two distinct spring/summer and autumn/winter zones. As a result, visitors can enjoy the beauty and pleasure of seasonal flowers all year round. Complementing this initiative, steps have been taken to conduct wind environment simulations. By planting such vegetation as evergreen trees along the southwest corner, which bears the full brunt of wind activity, every effort is being made to ensure harmony with the surrounding environment.

Building Facilities that Recirculate Water

picture Water-permeable pavement

Water-permeable pavement

In recent years, attention has focused on techniques for the effective use, retention and control of water when building facilities such as data centers. Letting rain that falls on the premises of a facility permeate the surface and return underground is not only an effective use of water resources, but it also helps sustain plant life in the region, thereby contributing to the stabilization of the ground by maintaining the ability of soil to retain water.
The appropriate use of water resources is also emphasized in LEED certifications, a world standard for green buildings. NTT Communications will continue to use techniques to recirculate water, such as the use of water-permeable pavement, at major facilities such as data centers.

Environmental Conservation Activities at Our Telecommunications Facilities

Underpinning data communication networks, wireless relay stations are often located in rich natural areas. We thus emphasize consideration for biodiversity in their operations. For example, the local NPO Amami Ornithologists' Club has continued to assemble for a bird-watching event for grey frog hawks at NTT Communications' wireless relay station in Amami City, Kagoshima Prefecture from September 2012. While this wireless relay station is key telecommunications infrastructure that is normally off limits to the public, we acquiesce each year to the club's request for the bird-watching event, which is also attended by some of our employees.
The grey frog hawk is a small hawk that breeds on the Korean Peninsula and the Chinese mainland, and migrates through the Kyushu region in autumn on its way to Southeast Asia, where it passes the winter. The Amami Ornithologists' Club held three bird-watching events, and during one event a flock of more than 2,000 hawks was discovered. Positioned at the top of the food chain, hawks are viewed as an indicator of the health of the overall ecosystem, and identifying changes in the number of migrating hawks is key to understanding our ecosystem.
We are open to cooperating in the future on a variety of activities that help preserve the ecosystem.

Cleaning Up Chiyoda Ward

We believe that it is our responsibility as a member of the local community to participate in activities to clean up the areas surrounding our offices. We also view it as an opportunity to identify any environmental issues in the business districts. We help clean up the areas around office buildings in the Hibiya area where our head office is located. Our employees that work in the head office and the employees of our partners take center stage in this effort to clean up the area with other members of Chiyoda Ward. Most cleaning work is performed early in the morning before regular working hours.

Cleaning the streets in Chiyoda
Cleaning the streets in Chiyoda

Biodiversity Photo Contest

Everyone on this planet, in addition to companies, need to be aware of the importance of biodiversity and take action to preserve biodiversity. With this in mind, we launched the Biodiversity Photo Contest: Living with Nature from fiscal 2016 as an opportunity for employees, their families and experts to come together and think about biodiversity.
Carrying on from the previous fiscal year, the third contest in fiscal 2018 focused on three categories: living things, natural landscapes, and coexisting with nature. About 260 photos were submitted by employees of the Group from around the world. Our employees have said that taking these photos and looking at the submitted photos has increased their respect for nature while bringing home the importance of biodiversity. Looking ahead, we plan to enhance awareness toward biodiversity by again holding this photo contest. We also intend to use the submitted photos when putting together our corporate calendar.

President’s Award

President’s Award

CSR Committee Chairman’s Award

CSR Committee Chairman’s Award

Special Recognition Award

Special Recognition Award

 

 

1st Biodiversity Photo Contest

Grand Prize Photos

Natural landscape category winner

Natural landscape category winner

Living things category winner

Living things category winner

Coexisting with nature category winner

Coexisting with nature category winner

Special Prize Photos

President's Award

President’s Award

CSR Committee Chairman's Award

CSR Committee Chairman’s Award

ShiningArcs Award

ShiningArcs Award

2nd Biodiversity Photo Contest
President’s Award

President’s Award

CSR Committee Chairman’s Award

CSR Committee Chairman’s Award

Special Recognition Award

Special Recognition Award

Excellence Award Photos

excellence award photos
3nd Biodiversity Photo Contest
President’s Award

President’s Award

CSR Committee Chairman’s Award

CSR Committee Chairman’s Award

Special Recognition Award

Special Recognition Award

Excellence Award Photos

excellence award photos

Initiatives for Society

Coastal Area Clean-up Activities

Biodiversity Photo Contest

Issues relating to incidence of waste attributable to economic activity and disasters are increasing with each passing year. As a part of efforts aimed at addressing these issues, the NTT Communications Group engages in a wide range of clean-up activities. One example is a coastal clean-up that started in 2017. During the off-season, Group employees and their families come together in the early morning hours, put on gloves, and use tongs to remove rubbish, including cigarette butts and PET bottles that have accumulated along the sandy beaches. 

Natural Woodland Preservation Activities

In years gone by, socio-ecological production landscapes (satochi-satoyama) supported the lives of a great many people. Today, the growing incidence of rubbish in unattended woodland areas as well as changes in the ecosystem that are affecting the growth of trees are becoming increasingly serious issues. In order to protect the flora and fauna that are common to woodland areas and to restore the environment to its natural state, it is imperative that humankind takes the ongoing steps necessary to address each concern. Based on this understanding, the NTT Communications Group is committed to undertaking nature woodland preservation activities. In fiscal 2017, Group employees and their families participated in the Tokyo Greenship Action hosted by the Bureau of Environment of the Tokyo Metropolitan Government. After gaining an understanding of the importance of trimming shrubs and weeds that have been allowed to freely accumulate through detailed explanations and instructions, participants took part in a host of woodland preservation activities. Using the shrubs and weeds that had been collected, Group employees and their families then participated in making certain crafts.

Natural Woodland Preservation Activities
Natural Woodland Preservation Activities

Disseminating Information about Biodiversity via "goo Green label"

goo screen capture

Earnings generated through the goo Green Label portal operated by NTT Resonant, and totaling 56,250,000 yen, have been donated over the eleven-year period to NPOs, with the aim of protecting the natural environment. Looking ahead, efforts will be directed toward initiatives that continue to help protect the natural environment through use of the Internet. This includes browsing news and searching for other information on computers and smartphones. In addition, the goo Green Label site disseminates information that encourages users to take an increased interest in nature and the environment from a variety of familiar perspectives. The site provides entertaining content including tests and quizzes.
As suggested by its corporate name, NTT Resonant, along with the NTT Group, aims to resonate with as many people as possible through proactive participation in educational activities related to biodiversity.

 

goo Green Label: https://www.goo.ne.jp/green/

"Mimawari Rakutaro" Wild Animal Trap and Notification System

goo screen capture

In rural areas of Japan, wild boars, deer and other animals causing damage to agriculture and forests have become a serious problem. One way of dealing with this is to set up traps to catch wild animals. However, safely and efficiently using these traps is an issue in rural areas where the elderly are growing in number.

NTT PC Communications has been helping to solve this problem by developing "Mimawari Rakutaro," a wild animal trap equipped with a monitoring and notification system, as a part of its "IoT services" that utilize data sent by sensors out in the field. The system uses the communications network of NTT DoCoMo to automatically send notification emails to designated mobile devices and computers when the trap door is activated and closes.

In the past, someone had to do patrols to see if a wild animal had been caught. "Mimawari Rakutaro," however, helps to reduce the daily workload, and traps equipped with cameras can send pictures of what is inside so that responders can quickly help anything other than a destructive animal that has been mistakenly caught. Moreover, the zones available to set up the product have been broadened so that they now extend beyond mobile phone service areas, owing to its configuration, which consists of a master phone and extensions connected using LPWA (LoRa) communications technology. Since its release in July 2011, "Mimawari Rakutaro" has been put to use by more than fifty local governments and three forest management organizations around Japan, spreading the use of ICT.

We will continue to help with the preservation of our natural environment through efforts like these.

Mimawari Rakutaro

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