Innovative Green World Campaign tracks greening of Kenya with a 'treemometer.'

Some number crunching based on the new 2009 Lawrence Livermore Labs analysis of U.S. energy use reveals that individuals are responsible for 39.4% of total power consumption.

Oceana hosts online contest to seek out activists who are fighting for the oceans.

There's one piece of good news from Japan: All the wind turbines survived the earthquake and are helping to power some regions of the country.