Commentary
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Dec 16, 2010 |
While renewable energy production scenario is improving slowly in many developing nations, more action is now happening in the oil producing countries of the Middle East. -
Dec 02, 2010 |
During the past few months the USEPA has held a series of public hearings regarding the proposed classification of Coal Combustion Residue. Public comments end this month of November and USEPA is expected to render a decision by end of 2010. -
Nov 16, 2010 |
Several energy sector commentators, writers and journalists have recently questioned the viability of concentrated solar thermal power conversion, even going so far to proclaim its impending demise. -
Oct 19, 2010 |
Changing weather patterns have reduced rainfall over the watershed area of the Colorado River and raised the specter of drastic reductions in power output from the Hoover Dam.
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Aug 26, 2010 |
A lack of precipitation during late 2009 and 2010 resulted in lower than usual water levels in the Great Lakes and along the St Lawrence River, where new islands appeared. Ships had to sail at reduced load due to reduced navigation depth.
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Aug 24, 2010 |
Carbon Capture and Storage (CCS) is a promising technology that could play a major role in the management of worldwide greenhouse gas emissions (GHG) released into the atmosphere -- the largest of which is carbon dioxide (CO2).
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Aug 20, 2010 |
With fanfare and high expenditure in top brass, high-calibre personell on both sides of the podium and with high travelling costs, GE (General Electric Company) announced in its GE Global Research Europe Center in Garching (near Munich), Germany on July 15 the GE's US $200 million ecomagination Challenge to seek for external breakthrough ideas for a smarter, cleaner, more efficient electric grid, and to accelerate the adoption of smart grid technologies. -
Aug 11, 2010 |
For several years, there have been ongoing developments on improving the output, efficiency and relative cost of solar thermal and various solar photovoltaic technologies. At the present time, photovoltaic and concentrated photovoltaic technologies appear to be gaining the upper hand as the technology achieves higher conversion efficiencies combined with reduced capital costs.
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Aug 10, 2010 |
Is it getting hotter in here, or is it just me? If you are in an urban area where cement, bricks, asphalt and other building materials are displacing lots, fields, and plants, you most likely are getting hotter. According to the U.S. Environmental Protection Agency (EPA) -- city growth where "surfaces that were once permeable and moist become impermeable and dry... cause urban regions to become warmer than their rural surroundings, forming an "island" of higher temperatures in the landscape. Heat islands occur on the surface and in the atmosphere." -
Jul 28, 2010 |
In his 1590 comedy "Much Ado about Nothing", the British author William Shakespeare tells us about two pairs of lovers, who could not be more different. In his first Oval Office speech on the BP oil spill, Mr. President was sitting behind an impressive wooden desk, reading the teleprompter carefully, only moving hands and mouth.
