Natural Capitalism 
Book by Paul Hawken, Amory Lovins, L. Hunter Lovins, about a new business model for responding to changes in our society. Book excerpts, reviews, and downloadable chapters available.
http://www.natcap.org/Future Facing
Using the latest developments, inventions and issues to predict life in the future. Includes articles, links and an eZine.
http://www.futurefacing.com
The Ingenuity Gap
Thomas Homer-Dixon's "study of a world becoming too complex and too fast-paced to manage." Includes forum, a writing contest, suggested readings and links.
http://homerdixon.com/ingenuitygap/
Future Hi
A collaborative online community exploring the frontiers of higher intelligence, accelerating technology, anthropological exodus, utopian dreams, trance, autonomy, imagination and logic.
http://futurehi.net/
FutureWire
Discussion of emerging technologies and trends.
http://futurewire.blogspot.com
The New Atlantis: A Journal of Technology and Society
An effort to clarify moral and political understanding of all areas of technology — from stem cells to hydrogen cells to weapons of mass destruction, especially where the moral stakes are high and the political divides are deep.
http://www.thenewatlantis.com/
History of the Future that Belongs to Us
Excepts from the book answer question such as, what factors have determined the kind of development we pursue as countries, and how resources are used and distributed. By Joherdi Hernandez and Ottilia Robers.
http://www.historiadelfuturo.com/
