NEWS: Arctic’s frozen soil holds billions of tonnes of organic carbon – and global warming could speed its escape
AS IT HAPPENED: UN receives first set of national commitments for Paris climate change pact
NEWS: Scientists analysing satellite data warn that rises in sea level are increasing threats to coastal cities and food security
NEWS: Pacific leaders tell Human Rights Council they fear for the future of their civilisations as climate impacts intensify
ANALYSIS: As IPCC gathers for a week of soul-searching, scientists suggest something must be done about mammoth reports
NEWS: US federal agency predicts mass die-off of the world’s coral reefs in 2015 as a result of climate change
NEWS: World Meteorological Organization draws conclusion from combined datasets that 2014 was likely the hottest year ever
NEWS: Washington and Delhi likely to agree pact on renewables and HFCs, but little chance of any major climate deal say insiders
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: Calls for climate compensation from top polluters likely to grow as odds on warming years plummet
COMMENT: It’s five years since the COP15 summit started in the Danish snows. Talks are still painful but much has changed
COMMENT: A global climate deal must take account of the needs of “climate takers” as well as “climate makers”, writes Greenpeace UK’s Ruth Davis
ANALYSIS: Finding that world must reach zero emissions this century is significant, even though key phrase was omitted from final version
NEWS: UN science report provides final warning on climate change ahead of 2015 international emissions cutting deal
NEWS: Comments on draft IPCC ‘synthesis’ report show governments want to make clear the dangers of global warming
NEWS: Warming waters and acidification are steadily degrading the planet’s oceans, says new study
NEWS: Vast ice sheet more vulnerable to climate change than previously thought, say scientists
Ban Ki-moon’s summit has arrived and it is over to world leaders to show their commitment to tackling climate change
We bring you all the events and comments leading up to tomorrow’s meeting of world leaders in New York