Watch this ten minute documentary which offers hope for restoration of severely damaged ecosystems:
http://www.open.edu/openlearn/whats-on/ou-on-the-bbc-hope-changing-climate
"Success stories from Ethiopia, Rwanda and China prove that bringing large areas back from environmental ruin is possible, and the results are key to stabilising the earth’s climate, eradicating poverty and making sustainable agriculture a reality."
You'll find many more great resources on topics of current interest at the Open University site:
http://www.open.edu/openlearn/whats-on
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