University of Chicago
American Environmental Photographs 1891 1936
An interesting site that shows early photographs by Henry Chandler Cowles and George Damon Fuller and others. The images range from ecological settings to the consequences of human changes to the environment.
Planet Pals
Planet Pals: Dryer Lint Crafts
A planet-friendly site for children and educators. This area covers recycling dryer lint to create crafts like papier mache, lint clay and lint paper.