Science Buddies
Science Buddies: It's Crowded in Here! A Study of Plant Population Density
Like humans, plants can be negatively affected by overcrowding. Unlike humans, plants cannot get up and move to a new environment or explore how to utilize new resources. This experiment will explore the effects of crowding (population...
Other
Ecology: The Industrial Revolution
A discussion of the effects of the Industrial Revolution on population growth, with emphasis on the question of sustainability. A great introduction to the field of ecology.
PBS
Pbs in the Mix: Teen Immigrants Five American Stories
A companion site to the PBS show, In the Mix. Gives an overview and transcripts from an episode featuring five teens from Russia, the Dominican Republic, Guinea, and Tanzania. Also features a timeline of immigration history and an...