Our Greenhouse Performance

Steelmaking generates greenhouse gas emissions, mainly carbon dioxide, both directly when making iron and steel, and indirectly through the use of electricity and gas. The majority of emissions (about 80 per cent) come from the chemical process of making iron. 

Greenhouse gas emissions

In the last five years, BlueScope Steel’s global greenhouse gas emissions have remained relatively stable at between 14.7 and 15.3 million tonnes (CO2 equivalent) per annum.

Greenhouse gas intensity for the Company globally has also remained stable over the last five years, at approximately 2.2 tonnes (CO2 equivalent) of GHG emissions per tonne of raw steel manufactured.

Over the past 10 years, however, (since 1997) GHG intensity at the Port Kembla Steelworks has been reduced by approximately 9 per cent.  This was achieved through a range of incremental measures, including energy efficiency projects.

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