is some interesting reading material...
Sierra Club of Canada
An article on renewable
SESCI - Solar Energy Society of Canada
Society of Ecological Restoration
"An anthology of ecological, philosophical, spiritual,
economic and cultural articles, editorials and reviews
exploring the values of the planetary Ecosphere,
its ecosystems, communities and wild species -
as the natural and time-tested source of a new and compelling
"Earth Ethic" for humanity."
Oikos: Green Building Source
An article on the dangers
of PVC's as building materials: