From the Energy Star site today:
533,814 People Have Taken The Pledge
Collectively, we have pledged to change 1,129,886 bulbs. That means we will avoid using 318,627,852 kWh of energy, prevent 502,799,270 lbs of greenhouse gas emissions, and save $31,862,785 in energy costs. You're making a difference!Comment: In the month since I took the pledge myself, 10,000 more people have pledged to change another 100,000 bulbs, reducing emissions by another 39,500 tons. Companies like Home Depot, GE, and Sylvania are running campaigns. Energy Star is right: we are making a difference.