Hydropower, also called "hydraulic power" or "water power," is energy that is derived from harnessing the force of moving water. It is often used for irrigation, the operation of machines and commercial electricity production, through the use of dams or tidal, wave or ocean power schemes.
U.S. natural gas prices are rising, while wind and solar are growing rapidly. The global transition to mostly renewable grid power may now be unstoppable.
45 | April 3, 2013 3:00am |
As people push against the limits of what nature freely offers us in terms of fresh water, climate stability and more, how can we use our resources to achieve the greatest return for society?
3 | April 1, 2013 3:00am |
The ice is vanishing in the world's longest continental mountain range, threatening the water supply for tens of millions of people in South America.
1 | January 23, 2013 2:28pm |
Building a smarter city rests on a solid business plan. But drafting a viable one is trickier than you might expect.
November 12, 2012 12:17pm |
Europe's largest economy shows that solar power can succeed even in northern climates.
8 | November 6, 2012 3:00am |
Throw jeans in a hot wash and they'll come out smaller. Why should creatures in a warming ocean be any different?
11 | October 5, 2012 3:14am |
Many banks are wary to finance renewable energy projects, and that hesitation can stall or even stop new projects. Insurers have stepped in to help mitigate the risks and establish the appropriate...
4 | September 17, 2012 9:22pm |
Archeologists think they've unearthed King Richard III - under a parking lot. The long missing "my kingdom for a horse" monarch has probably resurfaced as a famous skeleton. Bring on the DNA!
September 12, 2012 11:46am |
A chart illustrates the dramatic changes within the nation's power sector over the past several decades. The upshot? Natural gas isn't the only rising star.
4 | August 22, 2012 12:04pm |
The force of 8,000 locomotives will soon be captured and converted to energy to power homes in Maine.
3 | July 25, 2012 3:06am |
First the Queen did it on the River Thames near Windsor Castle. Now a London park heads to the river to turn the ancient Archimedes screw upside down and generate electricity. Watch videos.
5 | July 19, 2012 8:50am |
BARCELONA -- Starlab is a Catalan-based private company that converts technology into profits, global innovation and mind-controlled robots.
April 2, 2012 3:07am |
The growing city of Atlanta, Georgia is not built near a source of water. It's a major problem that demonstrates a coming urban, environmental and economic crisis.
1 | March 21, 2012 8:10am |
MADRID -- As Spain falls deeper into recession and drought, farmers and researchers work together to innovate and diversify farming practices.
March 2, 2012 4:34am |
What's good for Her Majesty could also be good for the common folk of Britain.
4 | January 20, 2012 5:59am |
Global investment into renewable power sources surpassed investment into fossil fuel power plants in 2010, according to a Bloomberg report.
3 | November 27, 2011 6:14pm |
Would you prefer products made via renewable energy? A new certification aims to harness consumer purchasing power for companies who harness the wind, from big banks to building blocks.
3 | November 22, 2011 4:00am |
The N. Atlantic island has been trying to lure industry with 100 percent renewable, stably priced electricity. A Jersey City IT firm serving NY, London financial districts is moving in. Is IBM next?
October 5, 2011 12:00am |
As more electric cars hit the road, more wind power may be able to hit the grid. Two studies explore how.
2 | September 23, 2011 10:44am |
The ancient Archimedes' screw is coming into its own as a hydroelectric technology. The Queen buys two to power Windsor Castle.
3 | September 9, 2011 2:16am |