‘Mural’ courtesy of ‘kimberlyfaye’ Tomorrow, right here in DC, you can join people all over the world in an International Day of Climate Action sponsored by 350 . (Why does the number 350 matter? Find out in this short video or check out the FAQs .) So far more than a hundred nations are taking part, and thousands are expected at the biggest rally , starting at noon in Malcolm X/Meridian Hill Park. After speakers, music, cultural performers, exhibits and more, the group will form