Policy

Retailers once again fall short of voluntary target to halve plastic bag use

Vice president insists stimulus dollars will lead to a doubling of US renewable energy capacity by 2012

New bill edges US state towards creation of renewables-ready grid

Both sides attempt to declare victory as judge stays court case into alleged wind turbine monopoly

BP scheduled to remove failed blowout preventer on Thursday

The Canadian government would like to think so, but environmentalists are not about to be convinced

Independent MPs who hold the balance of power in Australia's hung parliament meet to discuss demands

Wind farm developers fear National Grid proposals designed to accommodate nuclear power plants will lead to a huge increase in backup costs

Climate change policy likely to play key role in coalition negotiations as Greens and independents are thrown into the spotlight

Observer obtains documents showing that Whitehall privately accepts its response to the threat of peak oil has not been good enough