There were thousands and thousands of creative, handmade signs on display at yesterday's People's Climate March, which drew an estimated 400,000 protesters to Manhattan. An elite committee of Gothamist editors have personally reviewed every single sign that surfaced during the march and selected the 21 best signs for this official, definitive sign roundup. Or maybe these are just some photos of signs I liked. What's important is that we remember these inspiring signs the way they were in their prime, before their sad, public decline into common street trash.

For the protest sign completist, here's an honorable mention or two.