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Social Challenge 3
A future where people and nature are in harmony

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Why it matters

The NTT Group's businesses have an impact on ecosystems. For example, the telecommunication equipment essential to our business operations, particularly telephone poles and communications cables, is installed in the natural environment. At the same time, we are sometimes affected by the ecosystem, for example cables are bit and damaged by squirrels or crows. Ecosystems full of biodiversity provide the bounty, such as water and food, which is critical to supporting all forms of life on earth, and thus require a proper approach for conservation.

What can be accomplished

Through our business and employee activities, we will promote initiatives related to conserving ecosystems within nature, in order to ensure that nature is left untouched for future generations.

Future vision

The NTT Group is working to preserve the ecosystems, which are the foundation of society's activities, while also conducting environmentally friendly business activities that take into consideration the mutual influence between ecosystems and the NTT Group.

Business Activity 10
Thoroughly implementing environmental assessment

Our commitment

Implementing environmental assessments during the construction of data centers and other buildings

Our objective

The NTT Group adheres to its Green Design Guideline for Buildings when constructing new data centers or other buildings, and endeavors to reflect the necessary aspects in the facility's design.

Environmental Assessments during the Construction of Data Centers and Other Buildings

When planning to construct new data centers or other buildings, we research the historical, social, geographical, biological, and environmental attributes of the prospective building site and surrounding district based on our NTT Group Green Design Guideline for Buildings, and endeavor to reflect the necessary aspects in the facility's design. For example, we use native plant species as vegetation for greening our data centers, which have in recent times become the core components of ICT infrastructure. When drawing up proposals for the construction of new data centers for customers, the NTT Group applies the Comprehensive Assessment System for Built Environment Efficiency (CASBEE*1) and submits proposals designed to obtain the highest CASBEE rank of S. While paying due consideration to the environment in this way, we also take care to minimize noise and vibration and maintain the scenic appeal of the district during construction while endeavoring to ensure that exhaust heat and noise from the air conditioning outdoor units and emergency generators of functioning data centers will have minimal impact on neighboring areas.

NTT Urban Development

Shinagawa Season Terrace acquires "ZEB Ready" certification

Compared to standard buildings, Shinagawa Season Terrace is able to reduce its annual primary energy consumption in its office areas by 51% (43% for the entire building), and acquired the top 5 star rating in the Building-Housing Energy-efficiency Labelling System (BELS) and ZEB*2 Ready" certification in December 2019 for the office area that is its main application. Featuring atriums filled with natural light and wind, a heat discharge system using cool external air, air-conditioning using a sewage heat recovery system, recycled water, and more, Shinagawa Season Terrace is one of the highest standard environmentally friendly office buildings in Japan, with eco designs and facilities offering excellent comfort and energy efficiency.

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  1. CASBEE: A system for the comprehensive assessment of the quality of a building from such perspectives as environmental performance, interior comfort, and scenic appeal
  2. ZEBs are defined as buildings using advanced architectural designs that aim to realize substantial energy savings while maintaining the indoor environment by (1) reducing the energy loads, (2) positively utilizing natural energy by applying passive technologies, and (3) introducing high efficiency equipment and systems. They additionally aim to achieve the highest degree of energy independence and reduce the annual primary energy balance to zero by (4) introducing renewable energy.

Business Activity 11
Contributing to natural ecosystem conservation

Our commitment

Business activities that contribute to preservation of the ecosystem

Our objective

The NTT Group is working on activities that contribute to preservation of the ecosystem by harnessing our information dissemination capabilities.

Activities That Contribute to Preservation of the Ecosystem

As a company providing ICT services, we are working on contribution activities that harness our information dissemination capabilities. As with the portal site "Midori no goo" that makes it possible to contribute to environmental protection by using it, we are working to disseminate information and support information exchanges for raising greater awareness about the importance of the ecosystem among society.

"Midori no goo"

From August 21, 2007, NTT Resonant began donating part proceeds from users using the "Midori no goo" service to environment conservation groups involved in addressing environmental issues. To date it has donated 58,790,000 yen to 46 environment conservation groups, including FoE Japan, the Wild Bird Society of Japan, the National Land Afforestation Promotion Organization, and the Nature Conservation Society of Japan to help support their conservation activities. (As of March 31, 2021) "Midori no goo" is endorsed by 59 companies and their employees, who are making extensive use of the service within those companies.

Lifestyle-related columns include write-ups about enjoying natural lifestyles, details on nature experiences and outdoor activities, and information about how to coexist with Japan's beautiful and abundant nature. Content related to learning about nature and the environment includes features of a wide range of natural environments, information on environmental approvals, environmental terminology, and more.

NTT Ltd.

Monitoring System to Protect South African Rhinoceroses from Poaching

It is feared that rhinoceroses will become extinct by the year 2025. To prevent their becoming extinct due to poaching, NTT Ltd. is implementing ICT infrastructure that monitors and tracks the movements of people in the rhino habitat. This provides safe havens for the rhinoceroses, without putting them under stress.