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Concentration of CO2 in the Atmosphere

Time to Turn off Your Lights!

Green Life Sierra Club

Paint the Town Dark

For one hour on Saturday, March 28, more than 7,000 cities in 162 countries will go black from 8:30 to 9:30 pm local time. Paris, the City of Lights, will disappear in the night and for a brief moment even the Eifel tower will stand ghostly in the dark. The Great Pyramids of Giza will fade. The Las Vegas strip will stop glittering — all in the name of a brighter future.

Earth Hour, sponsored by World Wildlife Fund, is meant to raise awareness to slow climate change. Last year Hong Kong alone reduced carbon emissions by 153 tonnes — all in a single hour. It would take 6,661 trees one year to absorb this amount of carbon.

But there is more to the event than a simple switch-flick. Earth Hour thinks of itself as a kick-starter for the planet.

“Climate change is not just the issue of the hour, it’s the issue of our generation,” said Sudhanshu Sarronwala, Chair, Board of Directors, Earth Hour Global.

Read more Read the rest, watch the video, get involved!

Sunlight to Spare: The world’s annual energy consumption with its available fossil, nuclear, and renewable energy resources — in one handy graphic.

Sun Streak: Solar power is hot on the heels of fossil fuels.

How Can I Tell If My Power Supply Is Clean or Dirty?: Mr. Green shows you how to find out if your local power supply is clean (or not).

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