Led by China, the developing world is engaged in a flurry of dam construction, touting hydropower as renewable energy in an era of global warming. But critics point out that the human and environmental costs of dams remain high.

Reposted from Yale360, written by David Biello

The Jinsha River tumbles down from the highlands of the Tibetan Plateau and courses through China for more than 1,300 miles before becoming the Yangtze. Until recently, it was a free-flowing waterway that ran through the picturesque landscape of Yunnan and Sichuan Provinces, but that is changing rapidly: Taking advantage of a drop of nearly 14 feet per mile, the Chinese government is building — or planning to build — as many as 12 large dams on the Jinsha. More than 300,000 people will be displaced, numerous cultural sites will be flooded, and river ecosystems irretrievably altered. (more…)

Sometimes one has to wonder about the sanity of our limited human brain….(MW).

Oil and Gas Projects in Western Amazon Threaten Biodiversity and Indigenous Peoples. The western Amazon, home to the most biodiverse and intact rainforest left on Earth, may soon be covered with oil rigs and pipelines.

According to a new study, over 180 oil and gas “blocks” – areas zoned for exploration and development – now cover the megadiverse western Amazon, which includes Bolivia, Colombia, Ecuador, Peru, and western Brazil. These oil and gas blocks stretch over 688,000 km2 (170 million acres), a vast area nearly the size of Texas. (more…)