By Jeff Biggers, AlterNet
April 21, 2009
Ten tragic lessons in our nation's environmental history that should never be forgotten. And one climate destabilization tragedy in the making that needs our urgent help.
1. Extinction: Three Species Per Hour
According to a United Nations report released in 2007, our planet is at risk of losing three species per hour. Ahmed Djoghlaf, the head of the U.N. Convention on Biological Diversity, declared: "We are indeed experiencing the greatest wave of extinctions since the disappearance of the dinosaurs. Extinction rates are rising by a factor of up to 1,000 above natural rates. Every hour, three species disappear. Every day, up to 150 species are lost. Every year, between 18,000 and 55,000 species become extinct."
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