Long-term Investigations offer an excellent opportunity for using
cooperative learning groups to complete research activities over
several days or weeks. We have expanded the Investigations by providing
links to Web sites where students can gather up-to-date information.
Choose an Investigation from the menu below to access related links.
Read frequently asked questions about global warming, climate change,
and the greenhouse effect.
States Environmental Protection Agency
Welcome to the EPA Student Center. Spend some time here to learn
about conservation, waste and recycling, air, water, and ecosystems.
of Michigan, Ann Arbor, MI
Study this lesson on the greenhouse effect.
States Fish & Wildlife Service
Get outdoors with the United States Fish & Wildlife Service.
States Fish & Wildlife Service Information Clearinghouse
If you want pictures, publications, and a wide range of other information
available from the U.S. Fish and Wildlife Service - we want to make
it easy for you to get it.
Read information from the American Heart Association about cigarette
smoking and cardiovascular diseases.
Consider these statistics on cigarette smoking from the American
Examine facts about cigarette smoking from the American Lung Association.