• April 14, 2015  

    Hydroelectricity — using the flow of water to generate power — has long been a small but key source of renewable energy. How can cities around the country better harness that potential? A startup in Portland, Oregon, has developed a system that gets energy from gravity-fed drinking water pipes to produce electricity without any environmental impact. Hari Sreenivasan reports. Continue reading

  • February 11, 2015  

    Energy will be a key issue for the new Congress, and hydropower is one of the few areas of agreement between Democrats and Republicans. Legislative changes have made it easier to develop small-scale hydroelectric projects and both parties find it advantageous. Special correspondent Dan Boyce of Inside Energy reports on what else proponents are seeking from lawmakers. Continue reading

  • June 26, 2014  

    Tonle Sap Lake is one of the most productive freshwater ecosystems in the world. But overfishing, climate change and plans to build a hydropower dams could threaten the animals that make their home in the body of water known as the beating heart of Cambodia. Hari Sreenivasan narrates a report in partnership with the Pulitzer Center on Crisis Reporting on efforts to track and maintain lake health. Continue reading

    September 15, 2013   BY  

    In 1935 construction started on a massive New Deal project proposed by FDR in Passamaquoddy Bay. The Quoddy Dam Project would have stored the rising tide behind multiple dams and then slowly released the water through turbines, producing electricity. But just a year later, Congress pulled funding and the project was abandoned. Continue reading

  • September 15, 2013  

    One of the big obstacles to clean energy is that most renewable sources are unreliable. A Maine company has installed the nation’s first commercial, grid connected tidal energy project. Water power is estimated to nearly double by 2030 and provide an estimated 15% of the total domestic electricity supply. Continue reading