Legislation

Solar systems account for over 28,000, with 11,000 installed in the first three months of 2011

Energy and climate change secretary says rise in domestic legislation can kick-start talks on an international deal

Report calls on government to set the right conditions to secure investment in low carbon infrastructure

"Coalition fully committed to the Climate Change Act as a key plank of our climate change policy," tweets Huhne

UK and other governments oppose EU regulations aimed at preventing oil leaks at deepwater drilling operations

Landmark case to decide whether states can sue carbon intensive firms on the grounds they represent a "public nuisance"

Polls show growing majority opposed to carbon pricing plans

James Murray argues green businesses are losing out to their old-school rivals in the lobbying stakes

Senator Lautenberg debuts bill designed to beef up US chemical safety rules

GOP's war on clean air continues to escalate with latest hearing on pollution rules