Got green photos? Citizens’ Greener Evanston (CGE) is holding a juried photography contest with, unsurprisingly, an environmental theme. The organization invites 72-dpi JPEG submissions "that illustrate the interaction between humans and nature" which may have been taken in Evanston or anywhere around the world. Entries will be accepted until May 20, 2011, and the winning images will be displayed at the EcoVillage at the Custer Street Fair on June 18-19. Full details are at the contest's website. The process and rules for entries are also online. A printable flyer you can post is downloadable here.