Greenpeace protesters on Wednesday unfurled a banner reading “Resist” on a 270-foot crane at a construction site that was visible from the White House.

Seven protesters from the environmental group climbed onto the crane about 9 a.m. to put up the yellow and orange banner, and said later they did it to protest President Donald Trump’s removal of climate change material from the Environmental Protection Agency’s website.

“The activists from around the country are still in place, calling for those who want to resist Trump’s attacks on environmental, social, economic and educational justice to contribute to a better America,” Greenpeace said in a statement.

Two of the protesters hung from the crane and held ropes attached to the bottom of the 70-foot-by-35-foot banner to make it legible in the wind, and waved at a police chopper flying by.

“The sun has risen this morning on a new America, but it isn’t Donald Trump’s. I fear not only the policies of the incoming administration, but also the people emboldened by this election to commit acts of violence and hate. Now is the time to resist,” a rep for the group said.

The environmentalists were angry that Trump muzzled the EPA, and that he gave the green light to the Keystone and Dakota pipelines.

Cops were not amused.

“While we respect everyone’s right to protest, today’s actions are extremely dangerous and unlawful,” Washington, DC, cops said on Twitter.

Authorities roped off a three-block area, but didn’t move in immediately, citing safety concerns.

DC police Capt. Robert Glover told the Washington Post: “Safety is our primary concern. Time is on our side.”