Exergy analysis has been applied to the life cycle of steel. Our model yields the estimate that the U.K. steel sector consumed 22GJ of exergy per tonne of steel delivered to product manufacture in 1994. The analysis shows that process improvement and increased recycling within the life cycle...

It is the stated policy of the UK government to reduce emissions of carbon dioxide by 60% by 2050. This policy, which goes far beyond commitments under the Kyoto agreement, was originally advocated by the Royal Commission on Environmental Pollution, of which the author was a member. Its...