Scientists and their supporters rallied on Copley Square, Boston, on Sunday, as part of the Rally to Stand Up for Science, asking Trump's administration to start believing, or actually to simply accept the reality when it comes to topics such as climate change.

"Our colleagues who have been attacked have not been attacked because they did something wrong, they have been attacked because they did something right," said one of the speakers at the rally, a Harvard science historian Naomi Oreskes.

Hundreds of people took part of the rally with signs such as "Objective Reality Exists," "Make America Smart Again."

"We represent a range of political views here. But what we are united in is our confidence in science and evidence-based investigation," was said by one person on the rally, Anne Rookey.

The rally was organized by a number of groups including Union of Concerned Scientists, Natural History Museum, and ClimateTruth.org.