Americans in more than 600 communities turned out to support science, with tens of thousands marching in a steady rain through the American capital.
They are protesting the proposed budget cuts which would slash support for basic research.
Ironically, the White House published a statement on Earth Day just as the marchers passed the place where Donald Trump lives.
Our U.S. correspondent Priscilla Huff reports:
IN: "Rigorous science...
OUT: SOC
DUR: 38
Participants in the March for Science expressed their concerns about President Trump's policies.
IN: "I am ...
OUT: ...as a whole."
DUR: 54
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