BLOG: How would the State of the Union address look if Obama turned environmentalist? 350’s Jamie Henn conducts a rewrite
NEWS: Tony Abbott’s backtracking on climate action has made it more expensive for Australia to cut emissions, warns RepuTex
COMMENT: Climate change is about politics, and we need wise leaders over the coming 11 months, says UK’s former chief climate diplomat
ANALYSIS: From old seafarers to modern scientists, RTCC looks at the past and the present of temperature records
NEWS: Rivals set out visions for a green Winter Olympics in 2022 as sustainable development rises up agenda
NEWS: Senator Bernie Sanders has tabled amendment to Keystone bill to accept the scientific consensus on climate change
NEWS: Total decarbonisation by 2050 is “unrealistic”, says Saudi Arabia’s UN climate envoy
ANALYSIS: Snap election offers unique opportunity to halt developments that menace the Great Barrier Reef and the climate
NEWS: A slumping oil price did not dampen enthusiasm for clean energy in 2014, as data shows global investment grew 16%
News: Latvia has made climate action a priority of its EU Council presidency, so where next for the bloc?
NEWS: As oil price hits 5-year low, chief economist warns emissions could rise without government leadership
NEWS: New figures from Beijing government shows China’s hunger for coal is waning
NEWS: Governments are still spending billions on nuclear research, but it looks like being an unhappy new year for the industry
NEWS: Except in Saudi Arabia, the recent slump in oil prices will have little impact on renewable deployment, says Bloomberg
Rolling commentary, news, analysis and video from the 20th Conference of the Parties to the UN Climate Convention in Lima, Peru
NEWS: Saudi Arabia and others need to invest in renewable technology as oil demand dwindles, says UK climate secretary
COMMENT: It’s five years since the COP15 summit started in the Danish snows. Talks are still painful but much has changed
NEWS: Extreme weather hitting the Philippines illustrates the risks of climate change as negotiations intensify in Lima
NEWS: The United Arab Emirates needs its wealth to diversify away from fossil fuels, argues lead negotiator
ANALYSIS: Growing infrastructure and investment links offer chance for joint efforts to promote green growth