Putting a monetary value on natural ecosystems is a key step on the road to 'green' economic growth, report says

Confidential memo seen by Guardian calls for climate change sceptics to turn American public against solar and wind power

More than half of water companies will not be required to reduce leakages before 2015, despite the worst drought in 25 years

Senior Conservative tells UK Energy Summit that energy policy has been 'neglected' to the detriment of consumers

New model arrives in showrooms with the intention of ending fears over 'range anxiety' due to limited battery life

Oil company insists it can't make the numbers add up to justify offshore wind farms

Ministers attending clean energy summit in London to be warned about continuing global addiction to fossil fuels

Homeowners in Conservative-run Uttlesford must enact basic energy-efficiency measures if they want to build extensions – the same idea David Cameron just scrapped

Ministers will reject moves that require homeowners to make their properties energy efficient before building extensions

Former energy secretary condemns argument that rising cost of living and recession are grounds to reconsider green deal