Liberal Democrats

Party's Nature Bill would extend the charge on plastic bags, starting in October, to all single-use bags

EXCLUSIVE: Party's Green Homes Bill promises extra £2bn a year to invest in energy efficiency once budget is balanced in 2019

Eight cities awarded funding to push forward with plans for 'cycling revolution'

Party plans to introduce Zero Carbon Bill that would 'end UK's adverse impact on climate change'

Ingrid Holmes says tackling rising energy bills and driving new energy efficiency measures should be a top priority for the next government

Top business leaders and campaigners praise Cameron, Clegg and Miliband for clear climate commitment

Party leaders vow to work together to accelerate UK decarbonisation, deliver a global climate treaty, and phase out unabated coal

Cameron, Clegg and Miliband's joint climate pledge provides yet more evidence that decarbonisation will continue apace - business has to respond

Oliver Coppard is seeking to swap his sustainability job for a seat in the House of Commons, the only problem is the Deputy Prime Minister is standing in the way

In the first part of a new series, BusinessGreen looks at the green business stories that defined 2014