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President Donald Trump on Saturday blasted Democratic climate policies after scientists moved away from one of the most extreme global warming scenarios previously used in United Nations-backed climate modeling.
“GOOD RIDDANCE! After 15 years of Dumocrats promising that ‘Climate Change’ is going to destroy the Planet, the United Nations TOP Climate Committee just admitted that its own projections (RCP8.5) were WRONG! WRONG! WRONG!” Trump wrote on Truth Social.
Trump accused Democrats of using climate fears to justify energy policies and government spending.
“For far too long Climate Activism has been used by Dumocrats to scare Americans, push horrible Energy Polices, and fund BILLIONS into their bogus research programs,” he continued. “Unlike the Dumocrats, who use Climate Alarmism nonsense to push their GREEN NEW SCAM, my Administration will always be based on TRUTH, SCIENCE, and FACT!”
DAVID MARCUS: NEW YORK TIMES ANNOUNCES THE END OF THE CLIMATE CHANGE HOAX
President Donald Trump spoke to the media before boarding Marine One on the South Lawn of the White House on April 16, 2026, in Washington, D.C. (Anna Moneymaker/Getty Images)
Trump’s comments came after climate scientists moved away from using the most extreme emissions scenario developed under the United Nations-backed Intergovernmental Panel on Climate Change (IPCC).
The IPCC’s worst-case scenarios, which included significant global temperature increases and sea level rises, included global crop failures and even potential extinction events on the scale of the dinosaurs.
The scenario, known as RCP8.5 and later SSP5-8.5, projected severe global warming outcomes under extremely high emissions assumptions.
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EPA Administrator Lee Zeldin speaks alongside President Donald Trump in the Roosevelt Room at the White House on Feb. 12, 2026, announcing the rollback of the 2009 Endangerment Finding on climate-warming emissions. (Anna Moneymaker/Getty Images)
According to GB News, the scenario is being phased out after researchers concluded it no longer reflects the most plausible trajectory based on renewable energy growth, emissions trends and climate policies.
Researchers writing in the journal Geoscientific Model Development said future climate scenarios should continue to cover a wide range of outcomes, from severe warming to lower-emissions futures.
“For the 21st century, this range will be smaller than assessed before: on the high-end of the range, the high emission levels (quantified by SSP5-8.5) have become implausible, based on trends in the costs of renewables, the emergence of climate policy and recent emission trends.”
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Trump’s post follows remarks he made last September at the U.N. General Assembly in New York, where he called climate change a “con job.”
“It’s the greatest con job ever perpetrated on the world, in my opinion,” Trump said at the time. “All of these predictions made by the United Nations and many others, often for bad reasons, were wrong.”
“They were made by stupid people that have cost their country’s fortunes and given those same countries no chance for success,” he continued.
EPA CHIEF ZELDIN DELIVERS DAGGER TO THE HEART OF OBAMA’S CLIMATE CHANGE AGENDA ON ‘RUTHLESS’ PODCAST
President Donald Trump speaks during the United Nations General Assembly in New York on Sept. 23, 2025. Environmental and energy groups called on the Trump administration to boycott the U.N. Climate Conference in November, according to a letter obtained by Fox Digital. (Michael Nagle/Bloomberg)
Trump’s comments drew criticism from Democrats, including former Secretary of State Hillary Clinton, who called the remarks “total disinformation.”
“You know yesterday at the U.N., President Trump said, ‘Climate change is a hoax,’ because it’s just total disinformation,” Clinton said during the Clinton Global Initiative in New York. “It’s a statement that is just not true, and yet being propagated.”
EPA Administrator Lee Zeldin later defended Trump’s climate remarks in an interview with .
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President Donald Trump speaks during the 80th session of the United Nations General Assembly at the United Nations headquarters in New York City on Sept. 23, 2025. (Chip Somodevilla/Getty Images)
“The president is absolutely right and we’ve seen it in the name of climate change, these left wing policies willing to cause extreme economic pain for people who can at least afford it,” he said.
Digital’s Emma Colton contributed to this report.
