Earth Hour has teamed up with Zerofootprint to provide two carbon calculators that enable Earth Hour participants to measure their carbon footprint. Measure yours at http://earthhour.zerofootprint.net/. Or try the Facebook version that will allow you mobilize and challenge your friends. You can also support Earth Hour by logging on to Zerofootprint Toronto and joining the Earth Hour group.Try this cool new app designed by Zerofootprint for Earth Hour. In less than a minute you can calculate your environmental impact, simulate a new carbon footprint based on pledges you choose to make, and compare your footprint with your friends' to see whose is the smallest!
See also: Canada Goes Nutso Over Earth Hour