Diatom genome reveals key role in biosphere's carbon cycle
...onment while it contributes to absorbing the major greenhouse gas CO2,in amounts comparable to all the world's tropical rain forests combined. "This critical information enables us to better understand the vital role that diatoms and other phytoplankton play in mediating global warming," says Dan Rokhsar, wh...Drought in the West linked to warmer temperatures
...uture in a world that is increasingly subjected to greenhouse warming," Dr. Cook added. The study's authors used tree ring records to reconstruct evidence of drought, and also looked at a number of independent drought indicators ranging from elevated charcoal in lake sediments to sand dune activation records. T...How to use math and a CT scanner to see how trees intercept light
...run, it means less fertilizer application and less greenhouse gas in the atmosphere through enhanced photosynthesis". Dutilleul and his group are using CT scan data to create 3-D images of plant canopies. After scanning a plant, such as a young cedar, a computer converts the CT scan data into a digital 3-D mod...Scientists find acid rain an unlikely ally in the battle against a greenhouse gas
...ng bad. That's actually the case in a new study on greenhouse gases by NASA scientists and others. The researche...ibits a wetland bacteria from producing methane, a greenhouse gas. Methane, a gas that contributes to warming our planet, is produced by natural processes and hu...Global warming's impact on US plants, animals determined from review of dozens of studies
...trapping extra sunlight there similar to the way a greenhouse works. Studies since then have gone further, and a... change across the United States to human-released greenhouse gases. The new report highlights actions that could be taken to reduce global warming's impact, such...Award will help unlock mysteries of one of Earth's most important organisms
...he base of the food web in the seas and remove the greenhouse gas carbon dioxide from the atmosphere. With the development of new molecular tools that allow scientists to study species at the DNA level, Armbrust and her colleagues not only study individual phytoplankton, but whole communities and how they inte...Sex versus survival: A tradeoff at geographical range limits
...eproduction in natural populations versus a benign greenhouse environment, the research team learned that the reproductive switch is due to genetic factors causing sexual sterility. These sterility mutations can spread in northern populations because the harsher environment makes sex relatively unsuccessful com...Delays in cutting greenhouse gasses could harm environment
Successful efforts to stabilize the level of greenhouse gasses in the atmosphere could still result in ser...University studied various strategies for reducing greenhouse gas emissions, comparing plans that begin reductions right away and others that delay action and mak...A $2 Million NSF grant brings technology and biology together at UC Riverside
...ound water supply, and to reduce concentrations of greenhouse gases in the atmosphere. "Sensor technology will change the way we do environmental science and change the way we answer questions about what's good for us and what's bad for us, and how good and how bad," said Tom Harmon, a professor at UC Me...Idaho lab, Utah company achieve major milestone in hydrogen research
...ysis. Added benefits include the avoidance of both greenhouse gas emissions and fossil fuel consumption. "We've shown that hydrogen can be produced at temperatures and pressures suitable for a Generation IV reactor," said lead INEEL researcher Steve Herring. "The simple and modular approach we've taken with ...Carbon sink or carbon source? Aerosols play role in shifts
...cting its biological and chemical exchanges of the greenhouse gases. The study examined six sites across the United States in the summertime; these locations were chosen because data on aerosols and carbon fluxes, or the changes in the carbon absorption and emission rates, were readily available. Sites ranged f...Global warming good news for coral reefs: research
...ird in response to increased ocean warming and the greenhouse effect, according to Australian scientists. "Our analysis suggests that ocean warming will foster considerably faster future rates of coral reef growth that will eventually exceed pre-industrial rates by as much as 35 per cent by 2100," says Dr Ben ...NASA finds trees and insect outbreaks affect carbon dioxide levels
...ng and insect control could greatly affect Earth's greenhouse gases those gases in the atmosphere that warm the... second study involves large-scale disturbances to greenhouse gases detected using global satellite data. "A historical picture is emerging of periodic droughts a...Researchers improve predictions of cloud formation for better global climate modeling
...ieve. The indirect aerosol effect is counteracting greenhouse warming now, but will stop at some point, Nenes explained. "One of our goals is to figure out how long we'll have this cooling effect so we can respond to changes."...Microbe's genome promises insight into Earth's carbon and sulfur cycling
... and energy regulation, while carbon monoxide is a greenhouse gas. The interdisciplinary research team, led by Mary Ann Moran at the University of Georgia, includes collaborators at The Institute for Genomic Research (TIGR) and six universities. Their work appears in the December 16 issue of Nature. While every...NASA study finds tiny particles in air may influence carbon sinks
...rbon sinks. Carbon dioxide acts as a heat-trapping greenhouse gas in the atmosphere. The study reported that the effects of aerosols on overall carbon exchange might be more significant than clouds. Cloud cover tended to reflect the sun's radiation back out to space, reducing the overall amount of light to Eart...High-flying observatory reveals land changing to desert
...l carbon cycle as plants breath in and lock up the greenhouse gas CO2 . NPP data, though, are not as important as are the changes in the type and distribution of vegetation as an area transitions into desert. Using the (AVIRIS), the scientists are able to analyze the physical structure of ecosystems including ...Desertification alters regional ecosystem climate interactions
...l carbon cycle as plants breath in and lock up the greenhouse gas CO2 . NPP data, though, are not as important as are the changes in the type and distribution of vegetation as an area transitions into desert. Using the (AVIRIS), the scientists are able to analyze the physical structure of ecosystems including ...Key molecule in plant photo-protection identified
...ed on several different areas of science, from the greenhouse to the supercomputer," Fleming said. "It demonstrates that to understand extremely complex chemical systems, like photosynthesis, it is essential to combine state-of-the-art expertise in multiple scientific disciplines." There are still many pieces...New evidence indicates biggest extinction wasn't caused by asteroid or comet
...rit might have been atmospheric warming because of greenhouse gases triggered by erupting volcanoes. The extinc... floor might have been released to trigger runaway greenhouse warming, Ward said. But evidence suggests that species began dying out gradually as the planet warme...