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.

Power Shift img.Photo: Jay Mallin

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Writer and activist Bill McKibben rallies up the crowd in Lafayette Park on Monday. He also gave a barn burner of a speech on Saturday.

 

Power Shift img.Photo: Jay Mallin

The crowd in front of the White House gets rowdy.

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Power Shift img.Photo: Jay Mallin

Activists take their message to the U.S. Chamber of Commerce.

 

Power Shift img.Photo: Jay Mallin

Corporate puppets dance for money outside the Chamber’s offices.

 

Power Shift img.Photo: Jay Mallin

Activists march down D.C. streets.

 

Power Shift img.Photo: Jay Mallin

Out with coal power, in with moon power: Demonstrators drop their pants and show off their anti-coal undies outside an office of GenOn, a major coal-burning electricity producer.

 

Power Shift img.Photo: Jay Mallin

A protestor outside BP’s D.C. office.

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Shift img.Photo: Jay Mallin

Speakers included AFL-CIO President Richard Trumka, above, as well as Van Jones and Al Gore.

 

Power Shift img.Photo: Jay Mallin

A sea of hard@sses in hardhats — what a beautiful sight.