While the world wide web should not be your only source for research, it can yield some helpful information, tools, and sources for your research.
Websites
The Center for Environmental Philosophy
http://www.cep.unt.edu/
Tyndale Seminary: Creation Care Reading Room
http://www.tyndale.ca/seminary/mtsmodular/reading-rooms/ethics/creation
A Rocha: Christians involved in conservation and environmental issues in over 20 countries
http://www.arocha.org/en/
The Evangelical Environment Network
http://www.creationcare.org/
Search Engines for Scholarly Articles
Google Scholar, a simple way to search online for scholarly literature
Google Theological Journals Search, same as above but limits searches to material that is theologically relevant