On a drizzly Saturday in Seattle, thousands of scientists, supporters and enthusiasts gathered at Cal Anderson Park and marched to the Seattle Center on the 47th Earth Day.
The March for Science was created as a reaction to President Donald Trump’s anti-science rhetoric, including his repeated denunciations of climate change as a hoax, and the proposed budget cuts to the federal Environmental Protection Agency, the National Institutes of Health and the Department of Energy's Office of Science.
At a pre-march rally at Cal Anderson, various scientists and politicians, including Governor Jay Inslee and Seattle Mayor Ed Murray, spoke about the significance of science to a crowd.
During the Emerald City’s march, we asked protesters one simple question: why are you marching for science today?
Here are some of the people and their responses: