NEWS: White House takes symbolic step to axe giant oil project as world prepares for Paris pact to curb greenhouse gas emissions
NEWS: Supporters of controversial tar sands pipeline need one more vote to pass bill through Senate
American philanthropist to use personal wealth in ad campaign against climate sceptics in midterm elections
Experts from the Stockholm Environment Institute argue the social costs of fossil fuels are underestimated
Thursday’s top five: Green groups anger as US pipeline opens, US court blocks Arctic drilling, scientists turn yeast to oil
Thursday’s top 5: World may need to suck CO2 out of air, China becomes one of world’s largest historical emitters, senators push for Keystone approval
Thursday’s top 5: Fossil fuels cause 69% of Beijing haze, Chinese helicopter reaches Antarctic ship, and North Dakota train fire fuels Keystone debate
Carbon Tracker says KXL approval would not benefit investors by as much as is widely assumed
Construction of Tar Sands pipeline could generate billions for brothers, who have heavily bankrolled climate sceptic campaigns
Morning summary: Abbott to stop Clean Energy Finance Corporation; women leaders tells Obama to scrap Keystone; and animals need to be genetically modified
TV ads funded by billionaire Tom Steyer rebut claims Keystone XL will boost US economy and generate jobs
Desmond Tutu, Leymah Gbowee and Shirin Ebadi have written to Obama protesting the Keystone pipeline
Barack Obama’s nominee as Environment Protection Agency chief starts work today – and her inbox is likely to be full of tough choices
Pictures from a day of climate rage as 30,000 descend on Washington to demand President Obama blocks construction of Keystone XL pipeline
Climate Live: The latest climate change headlines curated by RTCC, updated daily from 0830-1700 GMT
Climate Live: The latest climate change headlines curated by RTCC, updated daily from 0830-1700 GMT
Climate Live: The latest climate change headlines curated by RTCC, updated daily from 0900-1700 BST
Veteran activist gives RTCC his thoughts on Durban protests, influence of green groups and the 2012 US Presidential elections.