This was the second March for Science, which debuted a year ago as part of more than 600 coordinated events across the planet. This is the second annual march advocating for evidence-based policy decisions from elected officials.
Scientists, researchers, and concerned citizens alike took to city streets on Saturday for the 2018 March for Science demonstration.
This year's main march took place outside the National Mall in Washington, D.C, with more than 230 satellite events scheduled worldwide.
She says thanks to the federal government's multibillion-dollar investment into scientific research across Canada, it's the ideal time to celebrate the investment while also asking for more support to tackle big problems such as climate change and increase the number of jobs in the scientific community.
"We need to let members of Congress.and the president and everyone in Washington and Harrisburg that we're here and if you vote against science and you vote against education and the environment, we're going to vote against you", he said.
The rally and march are meant to serve as "a physical and symbolic show of the movement toward a future where science serves all", says a press release from the organizing committee.
Lehigh University Assistant Professor Joshua Pepper said science is also hurt by attacks on immigrants and refugees because science is driven not just by homegrown scientists but also by foreigners who come to the U.S.to study and perform research.
"There's no room for climate deniers", she said.
"The diversity research clearly demonstrates bringing all the people to the table - to the scientific table - leads to better ideas, kinder, more ethical solutions, and always a more informed public policy", Welch added.