Credo is an academic alternative to Wikipedia and is perfect for background research or formulating your topic. It includes topic pages with mind maps (examples: Climate Change and Atmosphere) and specialized entries from several encyclopedias, dictionaries, and other reference sources (examples: Greenhouse Gas Protocol from The A to Z of Corporate Social Responsibility, and Kyoto Agreement: Framework Convention on Climate Change from Dictionary of Environmental Science and Technology).
Check these databases for streaming film segments and for art images. Note that for ArtStor, you MUST sign up for your free account from on campus. Thereafter, you can log in from off campus.
Try some of these subject headings in WorldCat:
Environmental justice | Environmental sociology | Climate changes social aspects | Climate change | Environmental policy | Hazardous waste sites | Minorities political activity | Global warming economic aspects | Refuse and refuse disposal social aspects