Environmental Science
- Canada: Invasive Species
- Invasive Species: Great Lakes
- Exotic Species: Great Lakes
- Invading Species Awareness Program
- Noxious Weeds in Ontario
- Province of Ontario: Weed Control Act
- Invasive Tracking System
Resource Management
Careers in Science
Ecology/Endangered Species
- Ecozones of Canada
- The World’s Biomes
- Blue Planet Biomes
- NASA Biomes
- The Nature Conservancy
- Endangered! Exploring a World at Risk
- Alberta’s At-Risk Wildlife
- US Fish and Wildlife Endangered Species Program
- ICUN Red List of Threatened Species
- Species at Risk
Weather
Genetics, Diseases and Inherited Disorders
- MedicineNet.Com: Diseases and Conditions
- MayoClinic.Com: Diseases and Conditions A-Z
- Your Genes, Your Health
- Chronic Illness Directory
- KidsHealth–Health Problems
- Canavan Foundation
- National Human Genome Research Institute
- Illumina
Physics (Force and Motion)
- Famous Inventions: A- Z
- Canadian Inventions
- How Stuff Works
- Efunda–Engineering Fundamentals
- Perimeter Institute
- Basics of Physics
Zoology
- Animal Diversity Web: University of Michigan Museum of Zoology
- Class Mammalia: Museum of Natural History
- The Toronto Zoo
- University of Arizona Tree of Life Project
- Mammals: Earth-Life Web Production
Microbiology
- Centers for Disease Control and Prevention
- World Heath Organization
- WebMD
- Epidemics Journal
- Public Health Agency of Canada