http://greenworld.org/green-world-treemometer
http://www.huffingtonpost.com/tina-gerhardt/germany-nuclear-energy_b_868...
http://www.bloomberg.com/news/2011-05-26/solar-may-be-cheaper-than-fossi...
http://www.alternet.org/environment/151080/green_technology_is_not_new%3...
http://www.huffingtonpost.com/peter-bosshard/lessons-from-three-gorges-d...
http://www.huffingtonpost.ca/2011/05/27/ontario-green-energy-turbines-hu...
http://www.commondreams.org/headline/2011/05/30-2#comment-1840982