Study points to U.S. as generator of greenhouse gases
...und that the massive amounts of atmospheric carbon dioxide generated by fossil fuel use in the United States ...ilson said.Increasing levels of atmospheric carbon dioxide can literally "fertilize" plants and trees, researchers say, causing them to grow faster. Also, the ......sink," the continent does notabsorb as much carbon dioxide as it releases through the burning of fossil fuels...s came nowhere near matching the release of carbon dioxide produced by fossil fuel burning. "Releasing and reabsorbing carbon is the principal force behi...Study: breath test effective in showing patients who should get less cancer drug
...otic erythromycin and measure the amount of carbon dioxide they exhale. Higher concentrations of exhaled carbon dioxide mean that patients are metabolizing erythromycin more quickly, and lower concentrations mean they ar...Microbes on Earth may be key to identifying life on other planets
... suggested that inorganic processes such as carbon dioxide de-gassing, temperature decreases and possibly evaporation are the primary environmental controls on travertine mineralogy, Fouke said. "So the environmental context could be the key to determining whether or not a particular feature is an entombed ...Acid rain revisited: ESA releases report on the ecological response to acid deposition
...ions of annual emissions of its precursors, sulfur dioxide (SO2) and nitrogen oxides (NOx). The scientists al...e scientists agreed, emission reductions of sulfur dioxide correspond to decreases in the fluxes of sulfate in both precipitation and surface waters. But in s...Carbon diem: Grants awarded to research that seizes excess carbon dioxide
...sphere are devising ways to sweep up excess carbon dioxide -- a potentially problematic greenhouse gas -- and...-effective ways to sequester newly produced carbon dioxide before it hits the atmosphere. Ultimately, the DOE wants to develop methods that cost only $10 per t...Increasing carbon dioxide threatens coral reefs
...r have determined that increasing levels of carbon dioxide in the Earth's atmosphere may cause more harm to m...t real evidence that increasing atmospheric carbon dioxide levels have a negative impact on a major Earth ecosystem," says Langdon, whose research will be publ...Stanford study supports novel rainforest protection plan
... requiring industrialized nations to reduce carbon dioxide (CO2) and other greenhouse gas emissions from powe...rests is one of the cheapest ways to reduce carbon dioxide in the atmosphere and provide sustainable employment for people living nearby." Madagascar examp...Gene identified that may play role in psychological disorders
...ix (35 percent CO2 and 65 percent O2). The carbon dioxide mix is designed to make subjects feel they are mom...ease in their heart rate when they took the carbon dioxide test, and their heart rate remained high afterwards. For other people, the heart rate increased as ...Global warming may be delayed by increase in ocean silica
... the ocean may be removing large amounts of carbon dioxide from the atmosphere, slowing its overall build-up ...a levels also could explain why atmospheric carbon dioxide levels decreased by 30 percent during glacial times, a significant change that has perplexed scienti...Scientists look to nature to cut greenhouse emissions
...elop a cleaner, inexpensive way of removing carbon dioxide from smokestacks. The researchers, supported by ...n as photosynthesis, can absorb some of the carbon dioxide produced after coal is burned. Though other scientists have used lakes filled with algae to absorb g...Putting a price tag on paradise
...ey Futures Exchange will calculate how much carbon dioxide gas the forest soaks up from the atmosphere, then give the company a UN-sanctioned carbon credit, which allows its factories to emit an equal amount of CO2 gas into the air. "Costa Rica's leadership in these areas is also remarkable," says Daily, who...Trans-pacific air pollution is worse than was suspected,says new study
...d.Between 1990 and 2000, annual releases of sulfur dioxide intothe atmosphere in the United States dropped from about 20million tons to 13 tons, but in China they have climbed toabout 45 million tons. Once released into the air, aerosols ride the wind over landand sea, rising to altitudes of several miles, w...Grasslands, deserts, mountains and fire
... two to three species per plot. Does more carbon dioxide mean more plants in the mojave? Should the native plants care? The amount of carbon dioxide in Earth's atmosphere is expected to double before the end of the 21st century. The USGS and colleag...Wisconsin lake study shows persistence of acid rain effects
...rt thanks to the Clean Air Act's capping of sulfur dioxide emissions. But that good news is tempered by the evidence from Little Rock that lakes recover slowly from biological changes driven by acidity. Frost says other studies of northeast U.S. lakes have found little improvement in pH levels. The study a...UF researchers: technique cuts pollution from burning treated wood
...estone into air pollution devices to reduce sulfur dioxide emissions, which suggests adopting the process for wood incinerators is a distinct possibility. John Schert, director of the Florida Center for Solid and Hazardous Waste Management at UF's College of Engineering, said the study shows considerable p...Faster coagulation rates found in natural systems could impact industrial processing
...onent of maintaining the global atmospheric carbon dioxide balance. Now, using the new approach developed by Logan, researchers not only can better understand the ocean processes but also can apply the new approach to enhancing coagulation and aggregation in industrial manufacturing or wastewater treatment...New treatment makes fruit juices safer
... scientific society. Treating juice with carbon dioxide works as well as heat pasteurization to eliminate ...ice, Marshall says. An added benefit of the carbon dioxide treatment is that it also improves the appearance of fresh-squeezed orange juice. The process deacti...New process improves potency, uses of grape seed extracts
...adiz in Spain have developed a method using carbon dioxide instead of organic solvents to extract many of the...e lost. Supercritical fluid extraction with carbon dioxide based fluids allows for the isolation of compounds without interference from air and light thereby g......ow long the gases stay in the atmosphere -- carbon dioxide can be consumed by surrounding plants, in essence ...and carbon sequestration" -- the storing of carbon dioxide out of the atmosphere. That standard method will require a way to accurately determine an inventory...