Again I say.... we need not do anything, if we are OK with the planet getting warmer. Dinosaurs were OK with the planet being warmer. It was the cold that killed them off. Most scientists agree that warmer, wetter climates lead to greater biodiversity.
We only need all this carbon sink this and CO2 reduction that, if we wish to keep the planet.... well... cool.

I just watched a documentary ( now available on video ) called "In the Shadow of the Moon" and I highly recommend it. It has nothing to do with GW or this thread, except for one sentence that really struck me. One of the Apollo astronauts said something like:

"After visiting another world and looking at what else is out there, you realize we truly are living in a garden of Eden."

Btw, "win" what?