Building Green – This organization provides articles, reviews, and news on energy efficient, resource efficient, and healthy building practices and products. They publish the Green Spec Directory which lists green building products in all categories and links to manufacturer websites. Paid subscription required to access.
The Green Roundtable/NEXUS is an independent non-profit organization whose mission is to mainstream green, healthy, efficient, and intentional building and development. They promote and support this mission through education, policy advocacy, strategic outreach and technical assistance.
Tree Hugger – is a leading media outlet dedicated to driving sustainability mainstream. They strive to be a one-stop shop for green news, solutions, and product information.
Green Sage – Another resource for green and sustainable design including news, products and a directory of professionals.