News articles tagged with 'emissions'
Caltech researchers show how organic carbon compounds emitted by trees affect air quality
— 7 Aug 2009 10:01 | EnvironmentA previously unrecognised player in the process by which gases produced by trees and other plants become aerosols - microscopically small particles in the atmosphere - has been discovered... — full story
Hybrid vehicle rebates produce scant environmental benefits, high cost
— 5 Aug 2009 10:23 | TechnologyDespite major costs to taxpayers in the U.S. and Canada, government programs that offer rebates to hybrid vehicle buyers are failing to produce environmental benefits, a new UBC study... — full story
Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines
— 4 Aug 2009 08:08 | TechnologyDiesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties... — full story
Humans 'damaging the oceans'
— 29 Jul 2009 18:08 | EnvironmentMounting evidence that human activity is changing the world's oceans in profound and damaging ways is outlined in a new scientific discussion paper released today... — full story
Carnegie Mellon team makes sequestration recommendations
— 24 Jul 2009 20:06 | EnvironmentCarbon capture and sequestration (CCS) technology, which captures carbon dioxide from power plants and safely disposes of it deep underground, will not meet its full potential in the... — full story
Netting a new attitude to climate change
— 13 Jul 2009 14:54 | EnvironmentAttempting to tackle climate change by trapping carbon dioxide or switching to nuclear power will not solve the problem of global warming, according to energy calculations published... — full story
Clean fuels could reduce deaths from ship smokestacks by 40,000 annually
— 9 Jul 2009 14:39 | EnvironmentRising levels of smokestack emissions from ocean-going ships will cause an estimated 87,000 deaths worldwide each year by 2012 - almost one-third higher than previously believed, according... — full story
G8 leaders turn towards Copenhagen but road map still missing
— 9 Jul 2009 12:23 | EnvironmentG8 leaders today recognised the need to keep temperature increases below the two degree limit recognised as presenting unacceptable risks of catastrophic climate change - but have yet... — full story
New method may help allocate carbon emissions responsibility among nations
— 7 Jul 2009 15:55 | EnvironmentJust months before world leaders are scheduled to meet to devise a new international treaty on climate change, a research team led by Princeton University scientists has developed a... — full story
Fermi telescope probes dozens of pulsars
— 3 Jul 2009 01:00 | AstronomyWith NASA's Fermi Gamma-ray Space Telescope, astronomers now are getting their best look at those whirling stellar cinders known as pulsars. In two studies published in the 2 July edition... — full story