Government agencies and other organizations also have good basic topic pages that can help form a strong foundation for your research. Here are some of them:
Many organizations collect and compile environmental information, and some even conduct their own research. When using organizational websites for research, be sure to be aware of potential sources of bias or agendas that they might be pushing. Look at the "Evaluate" tab in this LibGuide for tips on how to be sure you're using good sources.
Here are some major organizations:
This guide was originally developed by retired librarian Kathy Amen.