Arcosanti is an experimental town being built to embody these principles. Communities by Choice - A learning community made up of mostly U.S. communities committed to the practice of sustainable development. Web site includes the Agenda-21 Guide for communities.
Site has extensive resources on links on sustainability at all scales.
It's focus is on Creating a sustainable world. Products include solar panels, wind turbine and alternative, sustainable energy products. Izaak Walton League Sustainability Education Project - by Jay Hanson. Requiem - by Jay Hanson.