Subject encyclopedias and handbooks have a wealth of background information that can provide you with a strong foundation upon which to build your research. To find a subject encyclopedia, try the search strategies shown in this tutorial. Use the same techniques to find handbooks - substitute "handbook" for "encyclopedia".
Dictionary of Environmental Science and Technology
Encyclopaedic Dictionary of Environmental Change
Encyclopedia of Environmental Science
Encyclopedia of Environmetrics
Encyclopedia of Global Change
Encyclopedia of Global Environmental Change
Encyclopedia of Global Warming and Climate ChangeEnvironment A to Z
Atlas of Global Conservation
Environmental Health and Science Desk Reference
One Planet, Many People
Standard Handbook of Environmental Science, Health, and Technology
The New Atlas of Planet Management
World Atlas of Biodiversity - Earth's Living Resources in the 21st Century