June 23, 2016, 6am PDT
As climate changes in the Rockies and the southwest, Lake Powell is gradually shrinking. The debate over Glen Canyon Dam is on again, and this time environmentalists aren't the only ones against it.
June 12, 2016, 9am PDT
A proposal to dam the Peace River, flooding 5,500 hectares (or about 21 square miles), has met resistance from the legal and scientific communities in Canada.
May 14, 2016, 1pm PDT
Plans to dam China's last wild river have been circulating since 2003, but now it seems that conservationists could emerge victorious
March 27, 2016, 7am PDT
The U.S. and Canada have come to an agreement that it's time to renegotiate a treaty that governs the management of dams and water along the Columbia River—one of the largest rivers on the continent.
December 11, 2015, 7am PST
Eric Balken makes the case that Lake Powell, anchored in place by the Glen Canyon Dam, is too inefficient a reservoir during times of water scarcity. Lake Mead, he says, is more than up to the task.
February 1, 2015, 7am PST
The city of Burlington, largest in the Green Mountain State, is the only city in the U.S. to provide electricity from entirely renewable sources, notwithstanding criticism from some environmentalists. PBS Newshour Weekend investigates.
October 29, 2014, 11am PDT
Around the world, countries are building new dams for hydroelectric power at a frenzied pace. Vox examines the benefits and drawbacks of hydroelectric power.
January 20, 2014, 11am PST
A new biological opinion sets policy for the Federal Columbia River Power System until 2018. Critics say the new plan continues the unsuccessful status quo of habitat restoration—instead they want to spill water over four dams on the Snake River.
Associated Press via The Oregonian
August 10, 2011, 10am PDT
Ethiopia is planning to construct a large hydroelectric dam on the Nile River to supply power for itself and neighboring countries.
July 29, 2011, 6am PDT
In the opening monologue of The Colbert Report, late-night comic Stephen Colbert mocks what appears to be another installment of "The Value of Zero" campaign for the all-electric, zero-emissions Nissan Leaf.
March 12, 2011, 9am PST
As plans to build a major dam on the Amazon River edge closer to breaking ground, locals in nearby communities worry about the inevitable changes to come.
August 16, 2010, 7am PDT
Plans to construct an $11 billion hydroelectric dam in the Amazon rainforest of Brazil has officials excited about the new energy it will create, and some locals preparing to relocate.
February 5, 2010, 7am PST
The Brazilian government has approved a new hydroelectric dam in the Amazon. Many locals and environmentalists are fuming.
August 26, 2009, 8am PDT
Small scale hydroelectricity projects are popping up all over the country, especially in remote and environmentally sensitive places.
August 21, 2009, 1pm PDT
A recent breach in the largest hydroelectric dam in Russia highlights the dangers posed by undermaintained Soviet era infrastructure.
June 29, 2008, 11am PDT
<p>High water levels are straining hydroelectric power generators in Oregon, where too much energy is being created.</p>
May 28, 2008, 6am PDT
<p>Plans to build a massive dam in Turkey have many hopeful that its creation will revive the local economy.</p>
The Christian Science Monitor
May 23, 2008, 8am PDT
<p>A group of Indians from the Amazon attacked a government engineer at a recent meeting where he was discussing a proposed hydroelectric dam on the Xingu River that could displace 15,000 indigenous people and destroy traditional fishing grounds.</p>
Associated Press via National Geographic
February 1, 2007, 1pm PST
To help save endangered salmon, officials are considering making costly improvements to dams on the Klamath River in California and Oregon. Removing the dams would cost less than fixing them, but removal forfeits hydroelectric power production.