What if the last thing we considered was killing?

iphonetoolbox.com

 
hungeree.com

TWO examples of realizing
what you believed to be true, isn't.

This TED talk is 23 minutes, but if you want to know more about research in desertification this one will blow everything you thought caused it out of the water (pun intended.)

AND

Last night I watched  Strange Days on Planet Earth: Disc 2 It offers commanding evidence of the impact on an ecosystem when the top predators are removed--including how the reintroduction of wolves to Yellowstone has halted the decline of aspens.