Added: 05/15/2008 Anyone concerned about global warming will want to check out UC Berkeley's new carbon calculator to see how their lifestyle contributes to their personal carbon footprint, and to find ways to reduce their greenhouse gases emissions. Check out the CoolClimate Calculator
Added: 05/15/2008 This site will let you know different regulations for different states for surveying. You can also link onto many other websites. Including a link to see an aerial photo of a certain address.