Just a reminder that Earth Hour, when millions of people around the world are turning off their lights (and other electronics), is from 8 to 9 p.m. (local time) tonight.
Sign up at Earth Hour
Learn more about it:
* Crunchy Domestic Goddess – Can you turn off your lights for just one hour? – with tips on making it a fun family event
* National Geographic – Earth Hour: Cities, Landmarks to Go Dark
* National Geographic – Global Warming Fast Facts
* World Wildlife Fund – Earth Hour: A global event created to symbolize that each one of us, working together, can make a positive impact on climate change