Reducing methane emissions could lower overall abatement costs
... Jain, a U. of I. atmospheric scientist. "Methane emission reductions are most effective for smaller reductio...rs, methane concentrations will respond quickly to emission reductions, producing an immediate and significant impact on climate change, Jain said. In contrast...Old brains can learn new tricks!
...le their brainactivity was measured using positron emission tomography (PET). PET measuresregional cerebral blood flow and acts as a marker to show which brain areas are'lighting up' during a memory performance task. Participants were shown pairs of vertical grid patterns on a computer screen andasked to sele...Eastern U.S. benefits from emissions trading by power plants
...oes not take intoaccount future health benefits as emission caps are lowered, it notes. Overall,the study's a...missions. It gives electric generating plants one emission allowance creditper ton of sulfur dioxide emitted and sets an annual cap on overall averageemissions...Coal-derived fuel burns cleaner
...lity fuel," says Boehman. With a favorable emission profile, Boehman is now investigating DME as areplacement fuel in diesel engines. While burning DME produces fewer emissionsthan burning diesel fuel, DME has very poor lubricating properties. "Diesel engines rely on the lubricating propertie...Symposium by ISPRS and the U-M College of Engineering
...States, built a frameworkfor global carbon dioxide emission reductions, and set goals for 38industrialized nat...edits to parties that were not able to achieve CO2 emission reduction limits. But measurement and verifying compliance are unresolved technical problems forsuch...Microbes work magic on hazardous air pollutants
...l applications for the biotrickling system include emission control forautomobile painting, furniture finishing,chemical and plastics processing, and industrial and municipal water treatmentsystems. Biotrickling filter systems can besupplied in standard or semi-custom sizes, with instrumentation and controlpa......pact, efficient marine incinerators withcontinuous emission monitoring and automated control. The Energy andEn...creased by afactor of 3.2 with the carbon monoxide emission reduced by afactor of 9. There was no visible smoke emission when the afterburner wasoperating. The ...Purdue helps Indiana companies with pollution dilemma
... company emits, in effect doubling itsestimates of emission levels. That could make it more difficult to meet ...y and Safe Materials Institute at Purdue. The emission statistics for 1998 will be the first to reflect the higherlevels. They will be released by state, f...Pacific Northwest developments earn spots in top 100 list
...achieves its small size,affordability and very low emission levels by relying on high rates of heat andenergy mass transfer through specially fabricated microchannels carrying hotwater. Compact Microchannel Fuel Vaporizer. This miniature fuel vaporizer is akey component of a multi-step fuel process...... regulations expected to severely limit VOC emission from paints and other coatings. "The potential applications are enormous," said Dr. Robert E. Schwerzel, a principal research scientist at the Georgia Tech Research Institute (GTRI). "These coatings could, in prin......to other brain research techniquessuch as positron emission tomography (PET) or electrode measurements. It opensup new avenues to a closer look at the functional anatomy of the brain."...Waste Makes Saleable Coal Product
...y ash and unburned carbon. "Before low NOx emission requirements came into being, power plantsmarketed the fly ash remaining after burning to the cement industry. However,with the higher levels of unburned carbon, this waste by-product can no longersimply be sold," Maroto-Valer told attendees today (M...Formaldehyde Emissions From Consumer Products
...and lead author of the article. Often the initial emission rates from such products exceed those of uncovered...applied to wood floors, Kelly claims. "The initial emission rates from both the base and top coats of this product were very high," he says, up to 1,000 times m...Rivers May Be Emitting Substance Involved In Ozone Destruction
...e taken, arecomparable tosome of the highest known emission rates in the world. The study is reported in the Nov. 14 web edition of Environmental Science &Technology, a peer-reviewed scientific journal published by the AmericanChemicalSociety, the world's largest scientific society. The study also will appea...Increase In Number Of Diesel Cars Is Counterproductive For Environmental Goals
...ed considerably over the last tenyears, butexhaust emission control technology in petrol-driven cars has developed faster.This is theresult of a study commissioned by the Swedish government and performed by theSwedishEnvironmental Protection Agency. "Diesel cars emit much greater amounts of nitrogen oxides, ...Inherited Depression Linked To Shortage Of Cells In Brain Region
...ne C. Drevets, M.D., reported in 1997 thatpositron emission tomography images of people with familial depression showedless activity in a thumbnail-sized area of the brain behind the mid-forehead.This region, the subgenual prefrontal cortex, also was smaller than in healthypeople, magnetic resonance images re...Clean Air Act Reduces Acid Rain In Eastern U.S.
... their reduction because theycan sell their excess emission permits to other sulfur dioxide producers." Reduction of nitrogen oxides began in 1996, but a reduction of onlytwo-tenths of a million tons was expected and realized. Because of the widervariety of sources of nitrogen, nitrogen oxides are mor...Stroke Risk Increased In Patients With High Oxygen Use In Brain
... Using a specialized imaging test called positron emission tomography(PET), the investigators measured both blood flow and oxygen metabolism in thebrains of the study subjects. They studied 81 patients over four years. All hadcomplete blockage of one of their carotid arteries and had suffered either astroke ...ASU Scientists Join NASA Astrobiology Institute
...investigator for the MarsGlobal Surveyor's thermal emission spectrometer experiment, a remote sensinginstrument that will identify and map the mineralogy of the Martian surface tohelp identify the best places to search for past or present life. Greeley, who headsGalileo imaging team, has been at the center o...... will have a similar effect to mowing, increasing emission rates from grass. Scientists believe that some of the additional gases released by cut grass are natural antibiotics, which act to disinfect the wound site. Gases released by grass include the volatile organic compounds methanol, ethanol, pro...