Ecologists from Umeå University and the Norwegian University of Science and Technology in Trondheim have studied fish communities and fish habitat and reviewed the importance of winter conditions for fish in streams and ...
Earth Sciences
Feb 15, 2013
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(Phys.org)—The great glaciers of the Alps are melting. Several climate change scenarios, some of which are based on an average temperature increase of +4°C, predict their complete disappearance by the end of this century. ...
Earth Sciences
Sep 14, 2012
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Laos has postponed construction of a controversial dam on the Mekong, an official said Thursday, dismissing fears that the work was going ahead despite growing regional opposition.
Environment
May 10, 2012
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Siemens recently put two virtual power plants into operation. Virtual power plants are networks of several small power stations that are run like a single system. One of the new virtual power plants enables the Munich municipal ...
Energy & Green Tech
Apr 27, 2012
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Could replacing coal-fired electricity plants with generators fueled by natural gas bring global warming to a halt in this century? What about rapid construction of massive numbers of solar or wind farms, hydroelectric dams, ...
Environment
Feb 15, 2012
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(AP) -- The manager of most of the electricity in the Pacific Northwest is running such a surplus of power from hydroelectric dams that it put wind farms on notice Friday that they may be shut down as early as this weekend.
Energy & Green Tech
May 14, 2011
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Hydroelectric power is the oldest and the "greenest" source of renewable energy. In Germany, the potential would appear to be completely exploited, while large-scale projects in developing countries are eliciting strong criticism ...
Energy & Green Tech
Oct 20, 2010
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In developing countries such as India, small hydroelectric power (SHP) projects represent a potentially large but largely untapped source of energy, primarily because the cost of constructing the sites is thought to be higher ...
Energy & Green Tech
Aug 17, 2010
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Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on the megawatt scale, ...
Photovoltaic and wind energy plants, hydroelectric power stations and biogas plants supply energy without polluting the environment. However, they are complex to design and maintain. Virtual reality makes planning and operation ...
Engineering
Jul 13, 2009
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