Carbonrally: My carbon footprint's smaller than yours
Who knew tackling global warming could be so fun?
A Boston-area entrepreneur has launched a Web site called Carbonrally that aims to marry online games and social networks with consumers' desire to shrink their carbon footprint.
Here's how it works. The company behind Carbonrally, Carbon Challenge, regularly posts a "challenge" that translates into a reduction in greenhouse gas emissions. Choosing filtered tap water over bottled water, for example, translates into reducing 3 pounds of carbon dioxide emissions a week. (No plastic bottles involved.)
Individuals or teams can take up the challenge. Typically, it's the "dark … Read more