http://breathingearth.net/ A world map that shows births, deaths, CO2 emissions, all by country and in "real time."
http://sca21.wikia.com/wiki/Main_Page Sustainable Community Action Wiki TONS of articles, links, etc.
http://imdb.com/keyword/environmental/ Documentary and other film reviews - not just on green flicks
http://www.wecanlivegreen.com/ Links galore on living green and tons of green listings.
http://www.green.tv/ Green TV. Need I say more?
http://en.wikipedia.org/wiki/List_of_environmental_issues And you thought the only things crunchy folk cared about were fish, trees, and spotted owls!