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.
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.
Dams have impoverished tens of thousands of people and triggered serious human rights violations in Sudan. Now Chinese companies have won contracts to build three more hydropower projects in the country.
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.
In spite of billions of dollars in investment, the threats to river ecosystems are particularly high in Europe and the United States. The good news is that smart and cost-effective solutions are available.
This week, I join hundreds of activists traveling to rural Mexico for a global gathering of people whose livelihoods are threatened by destructive dams. Don't turn away -- you're likely in the picture too.