
Renewable Energy Sources. Read the latest research on renewable sources of energy such as solar energy, wind power, nuclear energy, hydrogen fuel, ethanol, methane and other alternative energy sources.
Updated: 1 hour 45 min ago
Tue, 07/27/2010 - 23:00
Soot from the burning of fossil fuels and solid biofuels contributes far more to global warming than has been thought, according to a new study. But, unlike carbon dioxide, soot lingers only a few weeks in the atmosphere, so cutting emissions could have a significant and rapid impact on the climate. Controlling it may be the only option for saving the Arctic sea ice before it all melts.
Thu, 07/22/2010 - 10:00
Engineers have made a significant advance toward producing electricity from sewage, by the use of new coatings on the anodes of microbial electrochemical cells that increased the electricity production about 20 times. The findings bring the researchers one step closer to technology that could clean biowaste at the same time it produces useful levels of electricity -- a promising new innovation in wastewater treatment and renewable energy.