t2 w1 Earth Hour

Earth Hour is an annual international event created by the WWF. The next earth hour will be held on Saturday, March 28, 2009 at 8:30 pm, local time.
The people of the wwf organisations wants raise awareness towards the need to take action on climate change.One of the problems Earth is facing is global warming. Global warming is the increase in the average temperature of the Earth's near-surface air and the oceans since the mid-twentieth century and its projected continuation. And you can halp earth by not using too much electricity.The Intergovernmental Panel on Climate Change (IPCC) concludes that anthropogenic greenhouse gases are responsible for most of the observed temperature increase since the middle of the twentieth century,