Budget 2012

Department said largest proportional budget underspend can be attributed to unexpectedly large earnings from Nuclear Decommissioning Authority

Wales party spokeswoman Pippa Bartolotti and North West MEP candidate Peter Cranie launch bids to replace Caroline Lucas MP as party leader

From hidden emissions to why green firms need to tell the world they're awesome, we run down this week's top stories

Friends of the Earth claims CO2 from fossil fuels that would not otherwise have been burned dwarfs 2011 total emissions

Ministers to rethink decision to rule out runway after warning that trade will move elsewhere unless airport expanded

The Chancellor likes wind farms after all, but then again he also loves gas

UK Sustainable Biodiesel Alliance slams Osborne for removing 20p tax break for fuel made from used cooking oil

Climate Minister: "This is the Budget where the green economy joined the economic mainstream"

Waste companies welcome higher ambition, but warn greater investment in reprocessing is needed to achieve new goals

STA urges government to include solar in Enhanced Capital Allowance scheme