A student displays her sign at Friday's climate strike. (Cameron Peters/MNS)With chants and signs, students at the protest demanded immediate action on climate change. (Nirmal Mulaikal/MNS)A student holds a protest sign at Friday's climate strike in front of the U.S. Capitol. (Cameron Peters/MNS)Freshman Rep. Ilhan Omar, D-Minn, prepares to take the stage at the protest. (Cameron Peters/MNS)Student organizers dance on stage at Friday's climate strike. (Cameron Peters/MNS)Students gathered in D.C. and at more than 2,000 other locations around the world to demand action on climate change. (Cameron Peters/MNS)Students show off their signs in front of the U.S. Capitol on Friday. (Nirmal Mulaikal/MNS)Students at Friday's climate strike protested climate change denial by members of Congress and inaction by the government. (Cameron Peters/MNS)