Investment in renewables rose five per cent in 2008 – proving new methods of power generation are now firmly established

New strategy outlines mandatory use of solar technologies for government and commercial buildings

Re-evaluation of business case put on hold until Carbon Reduction Commitment consultation released in October

Committee wants government to give commitment that climate change funding will not eat into aid budgets

Study predicts solar panel prices will fall by 28 per cent this year as demand falls and silicon supplies increase

As plans for three more Chinese wind farms secure approval, the government announces that it is to invest $15bn in bolstering wind energy capacity

But Connecticut State Treasurer's Office confident that talks on energy efficiency strategy could follow

US insists that demands for emission cuts of between 25 and 40 per cent by 2020 remain unrealistic

Greenpeace inquiry highlights concerns over the rapidly expanding cattle trade in heartland of Brazil