An Earthship is a house that can provide in all basic needs of life and has a minimal ecological impact. It's concept was developed by architect Michael Reynolds and is based on the ideas of using durable technology, the reusage of discarded materials and being autonomous. Meanwhile about a 1000 earthships have been build on several continents.
A few other links: Wikipedia Earthship.org
Gardending Superfund Sites is an art project that fosters discourse around the issues of nature preservation, industry, and activism. Information and workshops with students and community groups to create a call to action to high tech industries to take responsibility for their actions.