US President Donald Trump has been criticised by world leaders for his stance on climate change, ahead of the global COP30 summit.
President Trump, who is not attending the meeting in the Amazonian city of Belém, was called a liar by the leaders of Colombia and Chile for his rejection of climate science.
UK Prime Minister Sir Keir Starmer acknowledged the waning political support on climate change. He said it had been a unity issue internationally and in the UK but "today sadly that consensus is gone".
Over the next two weeks countries will try and negotiate a new deal on climate change, with a particular focus on channelling more money to forest protection.
Many leaders from the world's largest nations – India, Russia, US and China - are notably absent from this year's summit.
And while Trump isn't attending this meeting in Belém, his views on climate change are certainly on the minds of many of the other leaders present.
Speaking at the UN in September, the US president said that climate change was "the greatest con job ever perpetrated on the world".
He said: "The entire globalist concept, asking successful industrialised nations to inflict pain on themselves and radically disrupt their entire societies, must be rejected completely and totally."
Without naming the US leader, President Luiz Inácio Lula da Silva of Brazil warned on Thursday of "extremist forces that fabricate fake news and are condemning future generations to life on a planet altered forever by global warming".
The leaders of Chile and Colombia went further, calling the US president a liar, and asking other countries to ignore US efforts to move away from climate action.
Maisa Rojas, Chile's environment minister, told the BBC: "The science is very clear. It is very important not to falsify the truth."
But while Trump-bashing went down well with the audience, getting agreement on new steps to tackle warming is proving much harder.
Only a few dozen leaders have turned up here in Belém, and a majority of countries have failed to submit new plans to cut carbon emissions, the root cause of rising temperatures.
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