There a many sources of guidance on sustainable design in general, and green home design in particular. The selected sites listed here are only a sample of what is out there, but these are the sites that we have found most useful.
Sustainable Development From Wikipedia:
Sustainable development is a pattern of resource use that aims to meet human needs while preserving the environment so that these needs can be met not only in the present, but in the indefinite future.
Green Building From Wikipedia:
Green building is the practice of increasing the efficiency with which buildings use resources — energy, water, and materials — while reducing building impacts on human health and the environment during the building's lifecycle, through better siting, design, construction, operation, maintenance, and removal.
