The administration of **Donald Trump** instructed scientists from the **U.S. Government** who were working on a crucial **global climate report** to stop their work, according to a researcher involved in the report. This is the latest move to withdraw the U.S. from **global climate action and research**.
The U.S. had been deeply involved in planning the upcoming release of the **Intergovernmental Panel on Climate Change (IPCC)** report, the world’s leading scientific authority on climate change, which will be published in 2029.
The IPCC assesses how the climate crisis is affecting the planet based on the latest science. Its reports require thousands of scientists many years to produce and are used to inform policymakers around the world about **the risks posed by global warming**.
### Impact on the IPCC meeting and reactions
An international meeting of IPCC authors scheduled to take place in China next week is now in limbo. Kate Calvin, NASA’s chief scientist and senior climate advisor, was supposed to co-chair the discussion but was affected by the order to stop work, according to the scientist involved in the report. The meeting was planned to discuss the **next steps in the report’s development**.
The source that revealed Trump’s decision to CNN said, “They were not sure what this means for planned work in the future, or whether American scientists will participate in drafting IPCC reports.”
The news of the work stoppage order was also reported by the Reuters agency.
The IPCC is considered the backbone of **global climate science**, providing the world with impartial and evidence-based knowledge necessary to address the climate crisis.
### The United States will leave the Paris Agreement
On his first day in office this year, President Donald Trump withdrew the U.S. from the Paris Agreement, an international treaty on climate change in which nearly 200 countries agreed to work together to limit global warming. This is a repeat of an action Trump took in his first term.
The Paris Agreement, signed almost a decade ago, is the development of the **United Nations Framework Convention on Climate Change**, adopted in 1992. It already established that human-emitted greenhouse gases are behind global warming.
To exit, the United States Government must submit a formal letter **requesting it to the secretariat of the framework convention**. And within **a year, the departure** of the historically first responsible for climate change would be finalized for the second time.
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