As MPs vote down Lib Dem proposal for public sector to sign up to 10:10, the government announces new funding to help Whitehall curb emissions
But new opposition party data suggests more modest carbon targets would lead to fractionally higher increases in income
New study argues any economic benefits from expanding Heathrow will be wiped out by environmental costs
Lib Dems urge government to use controlling stake in banks to force them to disclose the carbon impact of their investments
Call for an investment programme on a scale of the Apollo projects as party pledges to increase pressure on government to toughen up Climate Bill