The Trump administration has halted the participation of U.S. scientists in key U.N. climate change assessments, two sources familiar with the situation told Reuters, part of its broader withdrawal from climate change mitigation efforts and multilateral cooperation.

The Trump administration’s actions in recent days have cast unprecedented uncertainty upon the climate panel’s work.

The Trump administration told US government scientists working on a global climate report to stop their work, one of the scientists involved told CNN.

US President Donald Trump’s tariffs on aluminum and steel are motivated mostly by concerns that China is flooding the global market and harming US manufacturing, said a former trade adviser to the White House.

In a move termed as trade tsunami, set to upend international trade dynamics, President Donald Trump has declared an aggressive plan to impose reciprocal tariffs on India and other nations he accuses of exploiting the United States with exorbitant duties.