Environmental Data

Environmental Management

Prevention of global warming

Greenhouse gas emissions other than CO₂ emissions (CO₂ emissions-equivalent)
This is a graph showing greenhouse gas emissions other than CO2 emissions (CO2 emissions-equivalent) over the past four years. Such emissions for fiscal 2008 amounted to 9,445 tons of CO2, representing an increase over the previous year.

Electric power consumption
This is a graph showing electric power consumption over the past five years. Electric power consumption for fiscal 2008 was 8.73 billion kilowatt-hours, decreasing for the first time in several years.

Clean energy generation
This is a graph showing the amount of clean energy generation over the past five years. Clean energy generated during fiscal 2008 amounted to 3.867 million kilowatt-hours, representing a decrease over the previous year.

Number of clean energy generators
This is a graph showing the number of clean energy generators in operation over the past five years. 154 such generators were in operation in fiscal 2008, an increase of one over the previous year.

Number of low-emission company vehicles
This is a graph showing the number of low-emission company vehicles over the past five years. 554 vehicles were owned in fiscal 2008.

Fuel consumption by company vehicles
This is a graph showing the amount of fuel consumption by company vehicles over the past five years. 30,997 kiloliters of gasoline and diesel were used in fiscal 2008, a decrease of 7% over the previous year.

Note: See below for other data
CO₂ emissions from business operations
CO₂ emissions reduction rates of telecommunications carriers
CO₂ emissions reduction rates of other group companies

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Waste reduction

Waste and excess fill from construction sites
This is a graph showing the amount of waste and excess fill from construction sites over the past five years. 275,000 tons of construction waste were generated in fiscal 2008, 255,000 tons of which were recycled.

Waste and excess fill from civil engineering works
This is a graph showing the amount of waste and excess fill from civil engineering works over the past five years. 167,000 tons of civil engineering waste were generated in fiscal 2008, 166,000 tons of which were recycled.

Office waste
This is a graph showing the amount of office waste generated over the past five years. 71,000 tons of office waste were generated in fiscal 2008, 46,000 tons of which was recycled. As a result of a 16,000 ton reduction through incineration, final disposal waste was reduced to 9,000 tons.

Medical waste
This is a graph showing the amount of medical waste generated over the past five years. 773 tons of infectious medical waste and 957 tons of non-infectious medical waste were generated in fiscal 2008.

Note: See below for other data
Waste output and final disposal waste
Amount and percentage of used communications equipment recycled
Number of used communications equipment and batteries collected

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Reducing paper consumption

Amount and percentage of old telephone directories recycled
This is a graph showing the amount and percentage of old telephone directories recycled over the past five years. 34,000 tons of old directories were recycled in fiscal 2008, representing 62.6% of all directories distributed.

Note: See below for other data
Virgin pulp consumption
Paper consumption and recycled-paper content of telephone directories
Paper resource reductions and registrations for NTT Internet billing statement services

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Measures against environmental risk and ozone layer depletion

Asbestos removed from NTT Group facilities
This is a graph showing the amount of asbestos removed from NTT Group facilities over the past five years. 3,355 tons were removed in fiscal 2008.

Amount of specified halon held for fire extinguishing equipment
This is a graph showing the amount of specified halon held for fire extinguishing equipment over the past five years. 1,003 tons were held in fiscal 2008.

Amount of specified chlorofluorocarbons used in air conditioning equipment
This is a graph showing the amount of specified chlorofluorocarbons used in air conditioning equipment over the past five years. 10.3 tons were held in fiscal 2008, a decrease of 40% over the previous year.

Number of centrifugal chillers (that use CFCs) and number of units removed
This is a graph showing the number of centrifugal chillers (that use CFCs) and number of units removed over the past five years. One unit was removed in fiscal 2008, leaving 45 units.

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Environmental management system, and others

Current status of NTT Group's ISO14001 certification
This is a graph showing the percentage of employees working in ISO 14001-certified sites. 54.2% of NTT Group employees worked in such sites in fiscal 2008, an increase of 2.8% over the previous year.

Number of recycling boxes installed and amount of confidential documents collected
This is a graph showing the number of recycling boxes installed and amount of confidential documents collected over the past five years. The number of boxes in operation in fiscal 2008 increased by 609 to 8,095 boxes, and amount of documents collected increased by 600 tons to 12,829 tons.

Participants in Operation Clean Environment
This is a graph showing the number of participants in Operation Clean Environment over the past five years. There were 51,174 participants in fiscal 2008.

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