Third green energy company goes bust as Lord Barker warns government proposals will lead to 'catastrophe' for industry

Past and present Tory MPs demand rethink over feed-in tariff review, as reports suggest Southern Solar faces liquidation

Segolene Royal says investing in coal is incompatible with tackling climate change

Erna Solberg says governments must create predictable framework and a clear direction for low carbon investment

Erna Solberg's says government's must provide a stable policy framework for low carbon investment

Spencer Dale admits climate change and rise of shale gas results in 'new economics of oil'

Four Toyota Mirai's will be used by Transport for London, with eight going to private businesses

Socialist country sets out 10 point plan in UN submission, including making water a human right

Yvo De Boer welcomes divestment push and restrictions on coal lending, but argues developing nations need help to curb dirty coal emissions

Former UN climate change chief says there are many reasons to be hopeful ahead of Paris summit, but issues stark warning over slow pace of talks