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As it happened: World leaders pledge climate action in New York

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

COMMENT: Publication marks an important moment in the gathering global politics of climate change, argues Michael Jacobs

SPEECH: UK’s former chief climate diplomat offers reflections on Europe, energy and climate change

ANALYSIS: Twelve months on from the battle of Balcombe, Britain is little closer to exploiting its shale gas reserves

NEWS: UK energy secretary warns that right-wing parties could destabilise the climate for investment in energy, including renewables

NEWS: Climate deniers are influencing UK prime minister David Cameron, according to former energy secretary Chris Huhne

NEWS: Denmark to pass climate change bill into law, putting its 2020 ambition at twice the EU

NEWS: Mass gathering of NGOs outside UN talks in Bonn highlights growing unrest over progress at high-level discussions

NEWS: UN set of targets has been whittled down to 17, but arguments rage over whether global warming should be included

NEWS: Central European coalition says EU must ensure 2030 climate policies do not unfairly burden poor bloc members

ANALYSIS: World leaders will gather in New York in September for a much hyped Climate Summit. Are they ready?

Envoy for Least Developed Countries “optimistic” about UN talks, but says rich nations need to demonstrate commitment to carbon cuts

Vice-Chancellor will lead ‘super ministry’ focusing on energy and economic policy, but needs to act fast to maintain supply and cut costs

Few willing to take responsibility for cleaning up waste as bitter 20 year fight over oil pollution heads for another legal judgement

Messages like “Climate Change starts here” were projected on to six coal plants in Warsaw

Live blog from the opening session at the 19th Conference of the Parties, as countries outline negotiating positions

The UK Youth Climate Coalition (UKYCC) have dissected the jargon at the UNFCCC so you can understand what on earth is going on.

A wordcloud analysis of the main developing country negotiating positions at the UN COP19 talks

Meeting to establish EU position at UN climate talks, ministers have proposed 2014 deadline and stressed role of public finance