Climate change is bringing many uncertainties, especially to the world of water. No continent will be harder hit by climate change than Africa.

Renewable energy solutions are not only good for the environment. If done well, they can pay for themselves and reduce poverty around the world.

Ikal Angelei receives the prestigious Goldman Environmental Prize today. She is defending the interests of 500,000 poor indigenous people against a destructive hydropower dam, and has successfully taken on many of the world's biggest dam builders and financiers.

In a crucial decision for the people and ecosystems of the Mekong River Basin, the governments of Cambodia, Laos, Thailand and Vietnam have just agreed to delay the Xayaburi Dam, the first of eleven dams proposed for the Mekong River.

A new 3-D Google Earth video illustrates three key reasons that large dams are the wrong response to climate change.

If the World Bank and an Indian power utility have their way, the Rampur hydropower project in Northern India will increase global CO2 emissions by 15 million tons, at a cost of $164 million to unsuspecting energy consumers in Sweden.

As food prices rise, the lands of rural communities are being snatched up for plantations at an alarming rate around the world. According to the World...

A new IPCC report demonstrates that there is a vast potential for energy technologies that have much lower environmental and social impacts than hydro-powered dams.

Big dams are, in effect, experimental technology. Those who design, build and operate them can't predict with any certainty the many serious impacts they will have on life-giving river systems.

The Three Gorges Dam on the Yangtze River is the world's largest hydropower project. Now the Chinese government has officially acknowledged the project's serious social, environmental and geological problems.

With more than 150 dams proposed for construction and 11 projects in operation, Northeast India is one of the hotspots of global dam building. The big...

The mighty Mekong River is about to face its greatest test, when the governments of Laos, Thailand, Cambodia and Vietnam will decide whether to give approve the construction of a dam.

Small, decentralized renewable energy projects such as wind, small hydropower and geothermal power plants provide a win-win solution for poverty reduction and resilience to climate change.

Ritzy Davos might not be the best place to encourage this kind of "small is beautiful" thinking. Maybe future talks on "lighting up Africa" should be held in a rural hospital, where doctors deliver babies in the dark.

As you "tent" your turkey and wrap leftovers this holiday season, keep in mind that the aluminum foil you're using has its roots in a dirty industry -- one that deserves a lump of coal in its stocking.