Climate change

Exclusive 'Sceptical environmentalist' and critic of climate scientists to declare global warming a chief concern facing world

Developed nations appear surprisingly close to hitting finance target to help poorer countries fight climate change

Light bulb responses to survey not very bright

Trewin Restorick makes the business case for saving the sustainable schools unit

Climate change policy likely to play key role in coalition negotiations as Greens and independents are thrown into the spotlight

UK start-up details plans to develop an ultra-efficient internal combustion engine which could halve fuel consumption

Richard Lambert's progress report on government's first 100 days argues it must do better on energy, climate change and planning reform

Business group launches fresh lawsuit targeting the EPA's right to regulate carbon emissions

Frantic round of diplomacy aims to get developing countries back on board ahead of crucial Cancun summit

More than 2,000 inefficient factories told they will have to shut down by the end of next month