Social networking site under fire over intention to run giant new data centre mainly on coal-powered electricity
Independent auditor issues clarification after palm oil firm is accused of misrepresenting report criticising its plantation practices
Sinar Mas delays own audit of activities in light of new revelations
Greenpeace report argues rollout of existing renewable energy policies will allow world to decouple economic growth and carbon emissions
Food giant announces comprehensive new supply chain guidelines after campaign group accused Kit Kats of indirectly fuelling rainforest destruction
Court case expected to argue that the government failed to adequately consider carbon impact when approving third runway
Measures needed to ensure cars do not charge from fossil fuel-powered grid
'Bring me the head of Pachauri', cry some, while others say he should stay
Drinks giant announces major project designed to slash emissions from coolers and vending machines