Earth Policy Institute (English Wikipedia)

EPI e-mail listserv Archived 2009-08-10 at the Wayback Machine
Earth Policy Institute: Translations, Accessed September 21, 2010.
Earth Policy Institute. [1] accessed 6 July 2015.
Earth Policy Institute. [2] accessed 6 July 2015.
Earth Policy Institute." [3] accessed 6 July 2015.
Earth Policy Institute." [4] accessed 6 July 2015.
Plan B Updates, Accessed September 21, 2010.
Eco-Economy Indicators, accessed September 21, 2010.
"Au Revoir & Thank You!". Earth Policy Institute. June 29, 2015. Retrieved 2015-06-29.

earthpolicy.org (Global: low place; English: low place)

Mouwad, Jad. "Carbon Emissions See Big Two-Year Drop," New York Times Green Inc. Blog, October 19, 2009.

Sustainablog Author: Earth Policy Institute. http://blog.sustainablog.org/author/earthpolicy/ Archived 2010-08-18 at the Wayback Machine Accessed September 21, 2010.

EPI e-mail listserv Archived 2009-08-10 at the Wayback Machine
Lean, Geoffrey. "Britain needs to get on its bike," Telegraph.co.uk, October 2, 2010.
Sustainablog Author: Earth Policy Institute. http://blog.sustainablog.org/author/earthpolicy/ Archived 2010-08-18 at the Wayback Machine Accessed September 21, 2010.