Social networking goes green on We Add Up. If you’re into climate change, global warming, Al Gore, and t-shirts, then this is the site for you. The idea is simple: join the site, …

Putting aside the whole debate over whether carbon footprints are really an accurate way to tell how much impact we’re having on the environment, the website WattzOn.com is a simple way to calculate your carbon …

We’ve all been there. You want to print out a newspaper article about your nonagenarian neighbor’s prize-winning poinsettia, and you accidentally deplete your printer’s color ink and paper supply printing out a six-page Hooter’s ad. …