National Geographic

Earth Hour: Cities, Landmarks to Go Dark

<table cellspacing="0" cellpadding="1"> <tr> <td valign="top"> <a href="http://news.nationalgeographic.com/news/2008/03/080328-earth-hour.html"> <img src="http://news.nationalgeographic.com/news/images/thumbs/080328-earth-hour_60x40.jpg" height="40" width="60" alt="image" /> </a> </td> <td valign="top"> <p>Cities around the world will briefly go dim Saturday evening as the lights of buildings and landmarks are shut off for one hour to raise awareness about climate change.</p> </td> </tr></table>