Water

Lately there has been more discussion about water. Specifically how much is there and what are the affects of climate change on water supplies. Scientists are telling us that with the global warming taking place there will be more droughts, and this could lead to taxing on already low water supplies and perhaps even conflicts. One of the reasons for the conflict in Darfur is because of water. (Click)

There is a great website where you can calculate your water usage much like carbon calculators, and find lots of other information about water. (Click) I had always know the carbon impact on the meat I eat, and for that reason I eat less red meat, but I didn't realize the water impact on eating dairy.

Speaking on water there is a guy that figured out how to burn salt water and use it as a fuel. Considering that the earth is 2/3 water this is pretty darn cool.