Climate change minister claims entire Cabinet is united behind measures to halve emissions by 2025
UK sets legally binding targets to halve emissions by 2025 in path towards 80 per cent cuts by middle of the century
EU climate chief opens discussion about extending the targets and expresses concern at gas industry's lobbying
Plans to tax fuels by energy produced welcomed by green groups, but will require backing of all member states to become law
Consultancy WSP Environment and Energy hails success of pioneering carbon trading initiative
Entrenched positions on the future of emissions commitments dominate first day of climate negotiations
Ongoing battle to contain radioactive material at Fukushima could see 2020 emissions pledges scaled back
Plans to turn the All Blacks green branded "unambitious" by opposition
Greenhouse gas emissions also rise 2.8 per cent over 2010 as government blames cold weather and poorly insulated homes