It's that time again. Earth Hour 2011 is finally here and it's the biggest Earth Hour ever! Over 131 countries and territories have already registered to switch off power tonight at 8:30 pm. Countries that have officially joined for the first time include: Jamaica, Uganda, Tajikistan, Azerbaijan, Palestine, Uzbekistan, Trinidad & Tobago, Lebanon, Iran, Swaziland, Chad, Gibraltar, Suriname and Lesotho.
Earth Hour 2011 will be taking place tonight, March 26 at 8:30 pm.
Started in Sydney, Australia in 2007, Earth Hour began with 2.2 million individuals and over 2,000 businesses turning off their lights for one hour to stand against climate change. More than 50 million people across 35 countries and territories joined the campaign only one year later. And this will be the biggest Earth Hour. So join in and turn your lights off starting at 8:30 pm tonight for one hour. Let us know what you did in the comments.