Transport Secretary predicts demand will accelerate for low carbon vehicles, generating economic benefits for the UK

UN report argues countries cannot go all out for growth and forget environmental responsibilities

New tracking tool helps NATS level out flights, reducing fuel consumption and carbon output

Critics say drought and water companies' leaky pipes should means ministers should deliver a full bill in this Parliament rather than next year

Think tank says tax breaks should depend on savers' and investors' ability to prove they are supporting the public good

Lord Smith admits much-debated energy source has potential, but insists UK cannot afford a dash for gas without carbon capture

Significant gains for Greens as party hails more business-friendly approach

Overseas missions are using renewable energy and electric vehicles to cut the cost and impact of operations

Officials cannot agree on impact of indirect land use change rules, which could wipe out biodiesel in Europe

Report says governments across Europe may need to send prices signals as part of urgent action needed to tackle shortages