WWF - World Wildlife Fund
Conserving nature and reduce the most pressing threats to the diversity of life on Earth.
http://www.worldwildlife.org
Global Footprint Network
Global Footprint Network is a research organization that bridges science, policy, and economics to change how the world manages its natural resources. They engage with more than 50 nations and 70 global partners to deliver scientific insights that have driven high-impact policy and investment decisions.
http://www.footprintnetwork.org
The Natural Step
A non-profit organisation, passionate about helping businesses and communities succeed in creating a sustainable world.
http://www.thenaturalstep.org
BuldingWise
LEED or BREEAM certification
http://www.buildingwise.net
ICLEI
Local Governments for Sustainability is the leading global network of over 1,500 cities, towns and regions committed to building a sustainable future.
http://www.iclei.org
Sustainable Cotton Project
Promoting change through sustainable Farming Practices
http://www.sustainablecotton.org
MESA
MESA cultivates a global grassroots network of food and farming leaders to revive community food systems, linking ancestral knowledge with innovation rooted in earth stewardship, equitable economies and multicultural alliances worldwide.
https://mesaprogram.org
TreePeople
Inspire the people of Los Angeles to take personal responsibility for the urban forest.
https://www.treepeople.org
Stanford University
Stanford Persuasive Tech Lab
http://captology.stanford.edu
University of Chicago Press
BiblioVault
http://www.press.uchicago.edu