Plans to build an oil pipeline from Canada to Texas are being fiercely opposed by campaigners across the US
UN climate chief Christiana Figueres says board must ensure financial mechanism opens in 2014
Two new studies highlight the supposed risks of long-term investment in fossil fuels
EU negotiators agree tentative deal that stops the clock longer on emissions trading for intercontinental flights
UN meeting in Germany next week will kickstart efforts to design draft of international treaty before Conference in Lima
Pilot emissions trading will need to be scaled up to build on CO2 cuts from curbs on coal
One fifth of the world’s UNESCO world heritage sites will be below sea level if world warms by 3C, finds new research
Australia almost a degree hotter than it was in 1910, says Bureau of Meteorology, as government tries to repeal climate laws
Tension with gas supplier Russia to spur push for domestic energy, but not only renewables would benefit
Over 1,000 people have been evacuated in the Marshall Islands, as “king tides” wipe away island coastline
National ‘Delta’ programme set for radical overhaul due to recent sea level rise predictions
Criteria for submitting pledges for proposed global emissions reduction deal tops agenda for bloc
Europe urged to invest in renewables to avoid being held to ransom by Russia over gas flow
UK climate chief Ed Davey calls for “urgent action” and commits to EU-wide 27% renewables target for 2030
Evacuations start as sea pours into parts of town, highlighting acute dangers of rising sea levels in Pacific
Draft document outlines how Moscow can meet 25% carbon reduction target by 2020, promising tougher accounting standards
Final decision from President Obama expected in summer as battle over tar sands pipeline heats up
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
Scientists say average annual flood losses could be almost five times greater by mid-century