Policy

Republican leaders insist they are looking at all options as they battle to reverse rejection of tar sands pipeline

European Union governments can no longer sign new oil contracts after 1 July

Ministry accuses US of jeopardising clean-energy co-operation and undermining global efforts to cut emissions

Plan to research pros and cons of changing clocks to deliver lighter evenings blocked by MPs “quoting the Bible and hiding in the toilets”

Business leaders call on Bank of England governor to address "systemic risk" presented by valuations of high carbon firms

Ladbrokes makes it odds on that clocks will be changed by 2015

I know that the uncertainty while we await the court's decision is difficult for the industry

Ruling leaves door open for developer to apply for planning permission again

Figueres defends Durban agreement as laying the foundations for a "truly unprecedented, ambitious global climate strategy"

Chris Huhne's support for higher 30 per cent emissions cut target gets boost as European Commission analysis concludes it would actually save money over a smaller cut