Thousands of young climate activists descended on Washington, D.C., over the weekend for the third biennial Power Shift conference. Then on Monday they took their message to the streets and the president’s doorstep. Check out these photos by Jay Mallin to get a sense of what went down.

Power Shift img.Photo: Jay Mallin

The Power Shift crowd protests outside the White House on Monday. On Friday, a few of the activists got to take their message inside the White House and meet with President Obama.