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Home > About Toshiba > CSR > Past Highlight > Highlights 2010 > Greening of Process

  • Integrity Report I: Striving to establish a position as one of the world's foremost eco-companies
  • 1. Greening of Process: Manufacturing and other activities
  • 2. Greening of Products Energy-and resource-saving Products
  • 3. Greening by Technology Environmental and energy technology

I) Green of Process; Manufacturing and other activities; Reduction of Greenhouse Gas Emissions and Enhancement of Global Environmental Management; Fulfilling our corporate responsibilities with regard to production

Mitigating climate change, while responding to the growing demand for products

An increase in production in response to the growing demand involves an increase in the consumption of energy and resources. Manufacturers are thus faced with the challenge of controlling the increase in energy consumption.

As a manufacturer producing a wide range of products in factories around the world, Toshiba Group is working to minimize increase in environmental impacts resulting from increased production, from the perspective of mitigation of climate change, management of chemical substances, and efficient use of resources. More specifically, we have been focusing our efforts on semiconductor factories, the greenhouse gas (GHG) emissions of which account for about half our total emissions, in order to contribute to achieving Japan's goal of reducing the total greenhouse gas emissions by 25% by 2020, compared to the 1990 level.

Maintaining the 40% level of reduction in greenhouse gas emissions compared to FY1990 level

Toshiba Group's Plan to Reduce GHG Emissions
graph of Toshiba Group's Plan to Reduce GHG Emissions.

As a result of reducing SF6 (sulfur hexafluoride) used for gas insulated transformers and installation of removal systems for GHGs other than CO2 at semiconductor factories, GHG emissions decreased by about half in FY2000 compared to the 1990 level.

From FY2001, however, emissions continued to increase due to the construction of new buildings and increased production at semiconductor factories, reaching a peak in FY2007. Although production is expected to increase in the future, we will continue to implement energy-saving measures in accordance with our plan to maintain the 40% reduction level compared to FY1990.

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Environmental investment in new fabrication plants; A new semiconductor fab at Yokkaichi Operations constructed with environmental measures including LED lighting

photo of Clean room in a semiconductor factory that minimizes energy consumption using a local air conditioning system
Clean room in a semiconductor factory that minimizes energy consumption using a local air conditioning system

At each Toshiba Group site, daily environmental management and implementation of all available measures are carried out to maintain a low level of environmental impact from manufacturing activities. Particularly, at semiconductor factories, which consume large amounts of power for manufacturing and air-conditioning, various energy-saving measures are introduced, such as using local air-conditioning systems, reducing standby power consumption of machines, recovering waste heat generated from facilities, and using energy-efficient methods for operating chiller.

In the first half of FY2010, we will begin construction of a new fab building at Yokkaichi Operations in Mie Prefecture (Japan). The new building is expected to conserve energy by about 12%, as compared to the previous level, by employing various measures in addition to conventional energy-saving techniques, such as introducing LED lighting in the clean room that is operated around the clock.

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Environmental audits of manufacturing sites worldwide; Implementing the world's top-level environmental management at manufacturing sites worldwide

photo of Environmental audit in China
Environmental audit in China

As a manufacturer with 120 manufacturing sites worldwide, Toshiba Group has in place a global environmental management system.

In order to reduce the environmental impacts generated from manufacturing processes, we implement Toshiba's original audit system at all operations worldwide. In recent years, we have been strengthening our efforts in China, where there are particularly large-scale manufacturing sites, by conducting annual audits at all manufacturing subsidiaries since FY2004. In these audits, we review the levels of achievement of reduction goals set by individual sites with regard to CO2 emissions, amount of waste generated, amount of chemicals used, etc. in order to check actual and potential environmental risks based on the “shop-floor approach.”

As a result of our continued efforts for improvement through these audits, Toshiba Information Equipment (Hangzhou) Co., Ltd. received the Economic Development Zone Energy Saving Award from Hangzhou City in 2008 and the Water-Saving Company Award from Zhejiang Province in 2009. All Toshiba factories will continue to strive to achieve worldleading levels of environmental performance.


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