All Assessment resources
NSTA Press Book
Global Environmental Change: Carrying Capacity
Carrying Capacity addresses the ability of the Earth to sustain healthy populations of different species. Earth's human population, now past six billion, is expected to reach 10 billion by 2030. This growth will place an even greater strain on the p...
By NSTA Press, Environmental Protection Agency
NSTA Press Book
Global Environmental Change: Deforestation
Washington State’s Olympic Peninsula contains some of America’s only old-growth forest. Its timber supports local, regional, and even global economies. It also supports many biological species and provides a link in biogeochemical cycling. How ca...
By NSTA Press, Environmental Protection Agency