Energy giants set to hammer out deal on how smart meter rollout can be achieved by 2020

UN claims 4,000MW of zero carbon energy is ready for harvesting in the crucible of humanity

CBI claims agreement on 20 per cent emission reduction target delivers green businesses certainty they have been crying out for

Plans for congestion charge zone and huge expansion in public transport to be scrapped

As Mexico becomes first major emerging economy to set emissions targets, EU leaders insist they remain hopeful climate deal can be done

Venture capitalists plough seven figure sum into AMEE calculator and set sights on US expansion

Recycled wind turbine to provide green energy to power hydrogen production process

Should executives be paid for hitting carbon budgets as well as financial targets? Anne Moore Odell investigates

Choice of Nobel Prize winning scientist and political heavyweights underlines president-elect's seriousness over climate change agenda