Worth watching. From the BBC about Global Dimming. It is 49 minutes in length. Be sure to watch the entire thing (or at least the last 15 minutes)!
"This is a documentary that deals with a climatic phenomenon that has been seriously underestimated and how this should force us to recognize that global warming is a far greater threat than has previously been assumed. It's from the BBC so it's very good, clear and to the point. A must see for anyone wondering about the state of the Earth. "
More reason to take action against global warming. It is time to make practical real world changes. Now. We each contribute to warming, thus we each need to take action. If we want to have a planet to live on then we need to do something: for our future, our children's future, and their children's future.