Copenhagen

Prime minister tells the Guardian he hopes the EU will agree to a cut in emissions of 30% by 2020

Boost for Copenhagen as reports emerge that the US Environmental Protection Agency will confirm this evening that it has the authority to impose new carbon rules

Speculation is mounting that EU will upgrade emission targets from 20 per cent to 30 per cent cuts by 2020

As energy bill receives its second reading, government announces launch of Pay As You Save scheme

Flurry of good news dominates start of summit, as South Africa announces emissions target and Obama signals he will attend talks' conclusion

China takes second spot in Ernst & Young league table assessing renewables investment climate

This editorial calling for action from world leaders on climate change is published today by 56 newspapers around the world in 20 languages

With billions of dollars of potential investment resting on the outcome, it is crucial that Copenhagen finally delivers some clarity for green firms

Jeremy Leggett, executive chairman of Solarcentury, argues that Copenhagen will present enormous opportunities for those firms that move quickly to develop low carbon products and services.

Presenting at our latest Sustainable Business Lecture, hosted in association with Citrix GoToMeeting, Craig Bennett of the Corporate Leaders Group on Climate Change outlined why businesses are campaigning for a robust Copenhagen deal