The Sierra Club - America's oldest, largest and most influential grassroots environmental organization - founded in 1892 by John Muir : naturalist, writer, conservationist.
GIPL.org - Engaging communities of faith in stewardship of God's Creation.
SouthFace.org - Promoting
sustainable homes,
workplaces and communities.
"What's the use of a fine house if you haven't got a tolerable planet to put it on?"
- Henry David Thoreau