Todd Stern and Xie Zhenhua were opposing climate envoys for nearly five years – but in the heat of international negotiations they forged a vital friendship
China cuts coal at home but state owned companies and banks drive new coal expansion overseas, despite promises of green growth for developing countries
Professor Peter Wadhams says peers are failing in their duty, and warns China is planning huge land grabs as warming hits crop production
With public assessment of each others’ $15.42bn and $8.2bn in subsidies, China and the US take a big step on transparency, but inch forward on reform
Choosing your power source should come down science and economics, but as the UK’s Hinkley saga shows it’s also a deeply political game
London’s expertise places it in pole position to channel private finance to China, as superpower seeks to invest around $4 trillion a year in infratsructure
China and India are cracking down on excess projects, but remaining pipeline will still blow the 2C carbon budget, say analysts
Proposals to ensure China’s financial sector backs green projects gains influential support, though doubts over what can be classed as ‘green’ persist
Leaders back rapid implementation of the Paris agreement and ramping up of green finance, but fail to set timeline for phase out of fossil fuel subsidies
G20 backs airline emissions pact, but green groups say voluntary nature of proposals undermine climate integrity
Leading civil society groups, Al Gore, Michael Bloomberg and UN leaders say formal approval by biggest polluters is a tipping point in climate fight
Observers laud cooperation between world’s two biggest carbon polluters as “a pivotal moment for our planet” as G20 gathers in Hangzhou
Proposed cuts are “far from sufficient” and must be six times greater by 2030 to stop the world warming beyond 2C, a study finds on the eve of the G20 leaders meeting
Reports indicate Beijing is pushing UN climate deal towards ratification, with 21 September UN climate meeting in New York possible date for announcement
China’s current coal power capacity can meet electricity demands up to 2030, two of Beijing’s top climate and energy experts tell China Dialogue
The US is going all out at Montreal Protocol talks to secure a deal for phasing out HFCs, potent warming gases used in air conditioning
UN encourages countries to ratify Paris deal, as US weather agency NOAA reports June heat shattered global records
Wuhan province has suffered its heaviest downpours since 1998, exposing the inadequacy of flood defences
Lure of mining for precious metals in South America and Europe is creating new carbon emissions not controlled by international agreement
Detailed policy proposals by influential Chinese and US researchers show potential to speed up low carbon shift