Information
http://www.eniscuola.net/en/life/contenuti/biodiversity/left/biological-diversity/why-do-we-need-biodiversity/
http://www.eco-question.com/what-are-the-main-causes-of-biodiversity-loss
http://www.mtholyoke.edu/~willi29m/classweb/econ/loss.html http://www.rainforestconservation.org/rainforest-primer/2-biodiversity/g-recent-losses-in-biodiversity/5-causes-of-recent-declines-in-biodiversity/
http://www.priweb.org/globalchange/bioloss/bl_03.html
http://www.crisisoflife.net/the-future.html
http://europa.eu/rapid/press-release_MEMO-04-27_en.html
http://www.conservation.org/how/pages/hotspots.aspx
http://www.naturalengland.org.uk/ourwork/conservation/biodiversity/importance/default.aspx http://wwf.panda.org/about_our_earth/biodiversity/biodiversity/
http://www.sciencemag.org/content/314/5800/787
http://www.eco-question.com/what-are-the-main-causes-of-biodiversity-loss
http://www.mtholyoke.edu/~willi29m/classweb/econ/loss.html http://www.rainforestconservation.org/rainforest-primer/2-biodiversity/g-recent-losses-in-biodiversity/5-causes-of-recent-declines-in-biodiversity/
http://www.priweb.org/globalchange/bioloss/bl_03.html
http://www.crisisoflife.net/the-future.html
http://europa.eu/rapid/press-release_MEMO-04-27_en.html
http://www.conservation.org/how/pages/hotspots.aspx
http://www.naturalengland.org.uk/ourwork/conservation/biodiversity/importance/default.aspx http://wwf.panda.org/about_our_earth/biodiversity/biodiversity/
http://www.sciencemag.org/content/314/5800/787