It is being billed as the largest-ever social change event on the Web and one which its organizers believe will unite the digital world in a wider conversation about climate change.
"I would say that 99 percent of our bloggers have never written about climate change before. I think there is a lot of power in people who usually don't write about this having conversations about a major issue like climate change." The scale of involvement in the day has been impressive. So far, over 8,000 blogs have registered in 144 countries and organizers predict that there will be around 15 million readers.