Coverage from the opening day of negotiations on a global emissions reduction deal in Bonn
Diplomats involved in creating a global emissions reduction treaty explain why it’s such a tortuous process
Two new studies highlight the supposed risks of long-term investment in fossil fuels
Pilot emissions trading will need to be scaled up to build on CO2 cuts from curbs on coal
Tension with gas supplier Russia to spur push for domestic energy, but not only renewables would benefit
New energy and climate minister Rasmus Helveg Petersen he is focused on EU agreeing tougher goals at March summit
New head of UN’s main carbon offset scheme says a global climate deal could revive market
UN climate chief says ‘Golden Triangle’ of opportunity awaits politicians and countries moving to low carbon future
Elon Musk’s latest investment could remove another barrier to the electric car industry
Gina McCarthy says Administration is committed to more pollution cuts despite recent Supreme Court challenge
Japan’s role as world’s biggest funder of coal since 2007 dents US-led efforts to curb finance for the fossil fuel
Ernst and Young league table says Germany, UK, US become less attractive for new investment in renewables
‘Climate change’ does not appear once in latest federal budget, leading to further criticism of Harper government
Report says China could slash energy-related CO2 emissions 90% from business-as-usual with tough, but achievable new polices
Merkel and Hollande say a new cross-border venture will promote renewables, help hasten move away from fossil fuels
Roll out of smart grids in China could help world’s largest emitter to slow growth in C02
Islamic Republic, one of the developing world’s biggest emitters, may launch carbon bourse to improve efficiency, cut emissions
Secretary of State tells audience in Indonesia unlimited carbon emissions could create a ‘fearsome’ weapon
Politicians, economists, scientists and comedians have their say on worst floods to hit the UK for 50 years
US government touts potential of solar as pricey new plant opens in California, but will have to compete with wind and gas