4. Dot Earth | Media | OutsideOnline.com

[Revkin's] not Bill McKibben, but he admits to being an advocate. So when the Times cut back its staff in 2010 and moved Revkin's Dot Earth blog to the opinion pages, it seemed a natural progression.

UN conference to deal with carbon reductions | World news | The Guardian

Archbishop Desmond Tutu, a hero of the movement that ended apartheid in South Africa, led a rally at a rugby stadium later Sunday urging negotiators to be more ambitious during what were expected to be difficult talks. Unseasonably cold, windy weather kept the crowd to a few hundred spectators.