Missouri Botanical Garden
Missouri Botanical Garden: Water Pollution
Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water. The sources of water pollution are categorized as being a point source or a non-source point of pollution....
Cornell Lab of Ornithology
Habitat Network: Tabula Rasa: Design Challenge
Design Challenge takes photos of tricky spots in people's yards and puts them out there for advice from the professionals at the Cornell Lab of Ornithology. Check out the ecological possibilities with this blank slate.
Cornell Lab of Ornithology
Habitat Network: Leaf Litter
Leaf-litter plays many important ecological roles. Find out some of the ways leaves are secretly at work in your gardens and parks.