Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...rost degradation has complex impacts on greenhouse gas fluxes from northern wetlands. Their study focu...ss. This is actually good news from a greenhouse gas perspective, Turetsky said. However, the report also cautions that this flooding associated with ...Argonne wins three R&D 100 awards for innovative technologies
...ng the war on terror. Unlike traditional chemical gas detectors, which operate by transmitting a signal ...ignal but merely captures emitted radiation from a gas plume. Using their spectroscope, the researchers were able to detect nitric oxide releases from ...See what you're spewing as you speed along
...-IR diode laser sensor to measure the variation in gas concentration during changes in the operating conditions of a Rover engine, such as increasing and decreasing the throttle, adjusting the air to fuel ratio, and start-up. This is the first instance of this type of near-IR diode laser sensor being u...ESA announces 2007 award recipients
...scipline. Lange is a co-inventor of the portable gas exchange chamber, and was instrumental in the development of the mini-cuvette system that allows long enclosure of leaves with full control of conditions, such as light, temperature, humidity, and CO2 concentration. He also developed a chamber for li...New aerogels could clean contaminated water, purify hydrogen for fuel cells
...leanup but also to remove impurities from hydrogen gas that could damage the catalysts in potential hydro... able to separate out the impurities from hydrogen gas much as they did the mercury from the water: by acting as a kind of sieve or selectively permeable m...Waters off Washington state only second place in world where glass sponge reefs found
...iving on specialized bacteria that consume methane gas that the UW scientists were surprised to discover ...ne where the abundant biology is fueled by methane gas derived from ancient carbon in the sediments, Johnson says. The glass sponges so-called because th...Renewable energy wrecks environment
...ve ten times or more stuff per kilowatt as natural gas or nuclear," Ausubel says. While the full footprint of uranium mining might add a few hundred square kilometers and there are considerations of waste storage, safety and security, the dense heart of the atom offers far the smallest footprint in nat...Exercise, exercise, rest, repeat -- how a break can help your workout
...tes during the recovery period. Their respiratory gas and heart rates were monitored continuously throughout the trial. Summary of Results The Repeated trial showed a greater amount of lipolysis (fat breakdown) than did the Single trial. This Repeated trial also had a pronounced increase in free ...Microscopic jets, diamonds unlikely on Uranus, and amazing mosquito legs
...objects in liquids. - KM Diamonds unlikely in gas giants like Uranus L. M. Ghiringhelli, C. Valerian...ld spontaneously form in carbon rich layers of the gas giant planets. White dwarf stars, according to the study, are veritable diamond factories. Physici...Story tips from the Department of Energy's Oak Ridge National Laboratory
...ncy. The system does so by using a high-efficiency gas turbine to produce about 4.5 megawatts of electricity, then capturing the waste heat to produce steam and cooling for the hospital. The system operates in parallel with the grid, selling back excess power. This technology has the potential of lesseni...Changing climate will challenge Northeast agriculture, CU expert warns
...io or begin taking action now to reduce greenhouse gas emissions." For example, he added, "Our analysis found that under the higher emissions scenario, parts of New York are projected to reach temperatures by late century that would reduce milk production up to 15 percent during summer months." Although ...Illinois-based study of energy crops finds miscanthus more productive than switchgrass
...season. The research team measured the amount of gas exchanged on the upper canopy of Miscanthus leaves from pre-dawn to post-dusk on 20 dates in the 2005 and 2006 growing seasons. The averages from two years data showed that Miscanthus gained 33% more carbon than switchgrass. Integrated measurements...Piecing together the cyanobacteria puzzle
...lobal carbon cycle because they transform nitrogen gas from the atmosphere into a useable nutrient, enabling photosynthesis in nutrient-poor waters. Using NanoSIMS (high- resolution secondary ion mass spectrometer), Lawrence Livermore National Laboratory, USC and Portland State University scientists ...Invisible gases form most organic haze in urban, rural areas
...nd trucks, gasoline evaporation that occurs during gas station fill-ups, and some industrial processes, said Zhang. VOCs also are produced naturally by vegetation. The U.S. Environmental Protection Agency does not currently regulate VOCs except for on-road vehicles and industrial settings, said Jimen...Ground gas gizmo boosts brownfield building
...y spin-out company that monitors dangerous methane gas lingering underground could lead to greater develo...eal the methane production is actually low and the gas protection measures needed are minimal meaning the site can be considered for development. Salama...International team to honor 30th anniversary of deep-sea vent discovery in Galpagos
...d cold seeps where methane-a well-known greenhouse gas and major component of natural gas-seeps through sediments in the ocean floor, Tyler said. "I expect more chemically driven sites like these will be discovered in the next 30 years," Tyler said. ChEss scientists are also excited about the possi...UN issues analysis of global investors' sustainable energy 'gold rush'
... Renewables now compete head-on with coal and gas in terms of new installed generating capacity and the portion of world energy produced from renewable sources is sure to rise substantially as the tens of billions of new investment dollars bear fruit. Says UNEP Executive Director Achim Steiner: O...Innovative subsea separation technology wins 2007 EUREKA environmental award
...s set to improve the economics of offshore oil and gas production. The outcome has resulted in the worlds...tion equipment plays a crucial role in the oil and gas production process by splitting the wellstream, which may comprise of oil, gas, water and sand, into...'Wurst' ensures that the respiratory system works
...nfants. Insects do not have lungs. Rather, their gas exchange is performed by means of small holes in t...tra-fine end sections that deliver the respiratory gas into the tissue. "The tracheae system in insects reveals similarities to our own lungs," explains...Researchers examine carbon capture and storage to combat global warming
...missions of carbon dioxide, the leading greenhouse gas that causes global warming. Carbon capture and s...ter it is produced and injects it underground. The gas never enters the atmosphere. The practice could transform heavy carbon spewers, such as coal power p...