Environmental hot spots / Reference sites
http://www.nrdc.org/reference/maps.asp http://www.enviroliteracy.org/subcategory.php/202.html http://www.thedailygreen.com/environmental-news/latest/google-earth-unep-47090405 http://www.biodiversityhotspots.org/xp/Hotspots/Pages/default.aspx http://www.eoearth.org/article/Biodiversity_hotspots collection http://www.unep.org/greeneconomy/index.asp
WWF - http://www.panda.org/
