People of Amazon… Photo source: ©© Neil Palmer/CIAT/CIFOR.
Peru is proposing to build more than 20 dams on the main trunk of the currently free-flowing River Maranon, which births in the Andes and is the River Amazon’s main source.
According to Peruvian engineer Jose Serra Vega, just four of these dams could cause the Maranon’s “biological death”, while US environmental anthropologist Paul Little believes it could contribute to the “eco-system collapse” of the Amazon basin as a whole…
Sediment Trapped Behind Dams Makes Them ‘Hot Spots’ for Greenhouse Gas Emissions, (08-01-2013)
The large reservoirs of water behind the world’s 50,000 large dams are a known source of methane. Methane has a warming effect 25 times more powerful than carbon dioxide. That knowledge led to questions about hydroelectric power’s image as a green and nonpolluting energy source…
New Global Warming Culprit: Dams (08-08-2012)
Washington State University researchers have documented an underappreciated suite of players in global warming: dams, the water reservoirs behind them, and surges of greenhouse gases as water levels go up and down.
Let’s Talk About Sand: Denis Delestrac At TEDxBarcelona
Denis Delestrac latest feature documentary, “Sand Wars” takes the audience around the globe to unveil a new gold rush and a disturbing fact: we are running out of sand! In this TEDxBarcelona talk, he explains us where sand comes from and where it ends up…
Photo source: ©© International Rivers