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What a day! Over 40,000 people poured into the streets of Washington, DC today to push President Obama to take our nation “Forward on Climate” and say no to the Keystone XL pipeline.

Our team here at 350.org had expected a crowd, but this was MASSIVE. Volunteers from around the country organized 130 buses to get people to the rally and it showed: there were people of all ages from Florida to Wisconsin to California here today.

Students especially showed up in force. I ran into young people from all across the country, many of whom are hard at work running fossil fuel divestment campaigns on their campuses. This is the next generation of the climate movement, just as comfortable negotiating in a board room as they are marching in the streets.

Our message for President Obama was crystal clear: time to live up to your rhetoric, take us forward on climate, and say no the Keystone XL pipeline. As former White House green jobs advisor (and movement hero) Van Jones said from the stage, “This will define your legacy, Mr. President.”