NEWS: Total decarbonisation by 2050 is “unrealistic”, says Saudi Arabia’s UN climate envoy
NEWS: Campaigner Priya Pillai was due to brief London MPs on proposed coal mine in Mahan forest
NEWS: Focus turns to State Department judgement after route of Keystone XL pipeline approved in supreme court
NEWS: Tignous and Cabu drew cartoons about climate, and worked with WWF and Greenpeace
NEWS: New EPA regulations set to address potent powerful gases leaked from oil and gas industries
NEWS: Polluting oil pipeline faces more setbacks as Obama threatens to block Congress bill
ANALYSIS: Obama could see Keystone bill on his desk later this month, as Republican controlled Congress pushes for final decision on pipeline
NEWS: Jerry Brown proposes new goals on climate and energy as he is sworn in for fourth term as governor
NEWS: Controversial gas exploration technique linked to 3.0 magnitude earthquake that shook US state in March
NEWS: More people living in Philippines has worsened pollution, deforestation and waste problems, says government report
BLOG: NASA gallery reveals how global warming is taking its toll on the planet’s glaciers, lakes and forests
NEWS: Predictions based on 2015 GDP growth suggest world will continue on course to exceed 2C warming threshold
NEWS: TV naturalist calls out scepticism in governments ahead of a politically important year in fight against global warming
NEWS: On floating reed islands of Lake Titicaca, remote communities are swapping candles for solar panels
NEWS: State-owned electricity company plans hydro and wind projects following cash boost from Parliament
NEWS: Most detailed study yet of Greenland ice sheet illustrates complex process causing billions of tonnes to melt every year
NEWS: Increasing oil production but falling demand creates problems for fossil fuel industry as investors turn away from sector
ANALYSIS: US and China made friends, Russia and Ukraine split up, while scientists warned of catastrophe
NEWS: Even icy Lapland faces diminished snowfall as Finland warms over twice the rate of global average
NEWS: US secretary of state says US will take the lead, but other nations must follow for success in fight against climate change