Former NYC Mayor Mike Bloomberg latest high-profile appointment as UN pushes for ambitious global deal
Francois Hollande’s climate negotiatons advisor urges Obama urged to commit to low carbon economy ahead of 2015 summit
Chinese government objected to scientists including carbon budget in IPCC Summary for Policymakers, documents reveal
Documents from whistleblower reveal extensive intelligence operation at 2009 UN meeting in Danish capital
Chicago Mayor Rahm Emanuel says energy efficiency drive will generate new jobs and boost economic productivity
Envoy for Least Developed Countries “optimistic” about UN talks, but says rich nations need to demonstrate commitment to carbon cuts
EU energy commissioner Günther Oettinger condemns the EU’s 2030 package, which he presented last week
President says he will use executive powers to curb use of coal, but defends plans to use more gas and oil
US president’s climate ambition faces tough test as mid-term elections and hostile Congress limit room to manouevre in 2014
Live coverage of the first UK Parliament review of the Intergovernmental Panel on Climate Change’s 5th Assessment Report
Jim Yong Kim says levels of carbon dioxide threaten development gains over the past two decades
Superstorms Sandy and Haiyan raising awareness of climate threats says former US VP, as leaders discuss solutions in Davos
UN chief urges CEOs and world leaders attending World Economic Forum to accelerate low carbon investment
EU proposal to drop curbs on imported fuels could boost CO2 emissions from transport by 32 megatonnes
Experts from the Stockholm Environment Institute argue the social costs of fossil fuels are underestimated
Small Island States and Least Developed Countries say science demands higher level of ambition than 40% target
Political leaders, business, clean energy groups and NGOs offer their reaction to the EU’s 2030 climate and energy package
EU’s climate and energy package proposes new targets for emissions and renewables, but bruising member state talks beckons
Weird weather and impacts of natural disasters high up the agenda at World Economic Forum gabfest
Pressure builds on EU President Barroso as Commissioners battle over region’s low carbon trajectory