Sydney, Australia was home to the first Earth Hour in 2007. On that day, 2.2 million homes and businesses across the city turned out their lights for one hour – a stand against climate change. A year later, Earth Hour went global. And we want to know – how did you take part?

With over 50 million people across 35 countries participating, we’re bound to hear some good stories. Last year, over 4000 cities in 88 countries switched off their lights – this year, you should, too.

Organized by the WWF, almost five million supporters and over 100 countries, we’re excited for another year.

This year Earth Hour takes place this Saturday (March 27th) at 8:30pm local time.

Supporting the Cause

Not sure what to do? Here are some ideas from Earth Hour‘s website:

You can support Earth Hour by:

1. Turning off your lights at 8.30PM on March 27
2. Showing your support and adding yourself to our world map
3. Adding Earth Hour widgets, logos and banners to your blog or website to help us spread the word. You could even be our Earth Hour Online Supporter of the Day.
4. Talking about Earth Hour in your social network by updating your Facebook status, grabbing a Twibbon, tweeting about your support, and more
5. Get together with your friends and family, by hosting an Earth Hour party or holding your own candlelit affair
6. Rally your local council or community group to run an Earth Hour event for your community
7. Encourage your employer and workmates to take part in Earth Hour and make energy savings every day
8. Make an Earth Hour Lantern as a symbol of hope for the future
9. Be creative! Find a new way to mark Earth Hour and let us know all about it!

Tell us below what you did for Earth Hour. Better yet, drop us a message as a guest blogger!

Image courtesy of EarthHour.org; Seven Earth Hour lanterns were released over the City of Cape Town, South Africa, (in front of Table Mountain) symbolizing the seven continents taking part in this global call to action on climate change. Credit: © WWF / Sean Kelland

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