Hundreds of new dams could mean trouble for our climate
▻http://www.sciencemag.org/news/2016/09/hundreds-new-dams-could-mean-trouble-our-climate
Sediment trapped behind dams, such as the Hoover Dam on the Colorado River, can become a feeding ground for #microbes that burp #methane.
Construction of Hoover Dam
►http://blogs.denverpost.com/captured/2011/10/11/construction-of-hoover-dam
September 30, 2011 marked the 76th anniversary of the dedication of Hoover Dam. The dam straddles the border of Arizona and Nevada in the Black Canyon of the Colorado River and was dedicated by President Franklin D. Roosevelt in 1935. Rising 726.4 feet from its foundation, Hoover Dam was constructed in five years, beginning in 1931 and completed in 1936. Take a look back at its construction and history.
