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Bolsonaro sent four secret agents to the Cop25 climate summit in Madrid, where campaigners said Brazilian negotiators were afraid to talk to them
If elected US president, Biden must balance domestic and international pressures to set a 2030 emissions target on a tight deadline, with a view to inspiring others
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Bangladeshi prime minister Sheikh Hasina called on a club of vulnerable countries to set an example and submit updated climate plans by 31 December
Lawmakers are putting pressure on EU leaders to raise the bloc’s 2030 climate ambition beyond the Commission’s proposed 55% emissions reduction target
Donald Trump has overseen a small decline in US emissions, but his claim to have the “lowest carbon” is false by most measures
Since China’s carbon neutrality pledge, more than a third of global emissions are covered by net zero targets. That ambition must be backed up by near term plans
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With hours to the deadline, Nigeria became the 144th country to ratify the Doha Amendment, ensuring it would come into force before it expires this year
The executive board is considering an extension of the Clean Development Mechanism beyond 2020, under industry pressure but with no political mandate
Campaigners had hoped President Xi would surprise the world again this week with tough measures to reverse biodiversity loss. They were left disappointed
In its national climate plan, Cuba indicated it would like to sell carbon credits on an international market, a concept previously opposed by socialist allies
Women from Kenya and Nigeria are favourites to lead the World Trade Organization and have promised to push climate change up the agenda
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Justin Trudeau promised to make climate action a “cornerstone” of Canada’s coronavirus recovery plan, but has yet to win the backing he needs in parliament
An online summit on 12 December offers a last chance for leaders to show off increased climate ambition by the end of 2020, the UN deadline
It is the biggest climate policy milestone since the Paris Agreement in 2015, but the strength of China’s carbon neutrality pledge depends on these key details
The UK host of critical Cop26 climate talks was tipped to set out its vision to world leaders during the UN general assembly, but the timeline has slipped
China, the world’s biggest emitter, officially spoke of ending its contribution to global heating in a video message from President Xi to the UN