Software firm argues UK could cut carbon emissions by up to 25m tonnes by tackling unused office space
Carbon Reduction Commitment trading mechanism raises prospect of public sector buying carbon credits from private firms
$1.1bn project to trial oxygen-blown IGCC technology by 2017
Industry insists it remains on track to beat zero carbon home target, as mayor of London unveils plan for new £4m fund
Renewable energy scheme to provide power to 300,000 rural households
Solar, wind and hydro facilities planned, while first nuclear plant expected online by 2020
Use of competitively priced, China-made equipment likely to prove key to deal with US project
Even in areas with no flooding history, flood-related insurance payments are up 15 per cent
McKinsey report says government must do more to address fragmented business case for energy efficiency
Legal action by green group may result in stricter emission laws