Potential for enhanced sequestration of carbon in soils supports evaluations
...ing concentration of carbon dioxide in the earth's atmosphere contributes to ongoing global warming that is causing ecological disruption and threatens human populations. The researchers note that a variety of land-use practices have apparently favorable potential for increasing carbon dioxide uptake, including...Plants will not save us from greenhouse gases
...ature , suggest changing conditions in the earth's atmosphere may have more harmful effects on plant life than previously believed. The research, led by McGill University biologist Graham Bell, looked at the response of algae to high carbon dioxide concentrations. Their findings showed that the plants could not...Alaska scientists find Arctic tundra yields surprising carbon loss
...to a much greater release of carbon dioxide to the atmosphere and a greater positive feedback to further warming...on of dead plant material, releasing carbon to the atmosphere and nitrogen to plants. Nitrogen limits plant growth in most terrestrial ecosystems, said Bret-Harte...The book opens on the first tree genome
... and trees that can sequester more carbon from the atmosphere or be used to clean up waste sites. Just as DOE earlier played a leading role in mapping the human genome and making possible advances in human health, we now are pleased to build on that success and help deliver the poplar's parts list--and the cle...Bacteria use 'molecular lasso' to cop copper
...ent greenhouse gas methane before it can reach the atmosphere use a neat trick to gather a key nutrient for the job. They produce a small organic compound and release it into the surrounding environment, where it "lassos" atoms of copper. The bacteria then reabsorb the compound and use the copper as a weapon ag...Unicellular organisms contribute more nitrogen to ocean that reported earlier
... that drives the uptake of carbon dioxide from the atmosphere into the ocean," Montoya explained. "This represen... both in the upper layer of the water and from the atmosphere into the ocean," Montoya added....Technology already exists to stabilize global warming
...abilize the concentration of carbon dioxide in the atmosphere at about 500 parts per million. That would be roughly a doubling of the carbon dioxide content compared to the pre-industrial level of 280 parts per million. If emissions are left unchecked, it would be difficult to stabilize below a tripling. The cu...Dispute over life in Antarctic lake
...parts, it has been shut away from sunlight and the atmosphere for at least 15 million years. There has been much speculation about the exotic ecosystems that might be found in this unique environment. French, Russian and American scientists looking for evidence of climate change began drilling through the ice ...UCSB professor and director receives two national awards
...ence done there and the interactive, collaborative atmosphere that makes the place work so well must be attributed in large measure to Jim's vision and leadership. Just for his role at NCEAS, Jim would have to merit recognition as one of the most influential living ecologists." Regarding mammalogy, the citatio...Ottawa's leadership in biomedical and health research has paid off
...nt of the Human Proteome Organization. "Today the atmosphere among biomedical researchers in Canada is full of the energy and excitement of being on the leading edge and this has also helped to attract and retain the best people." Biomedical and health research and innovation are fundamental to the health of C...DFG presents the 2004 MAK and BAT value lists
...centration of a working substance in the workplace atmosphere as a gas, steam or aerosol that according to current knowledge does not impair the health of employees exposed during eight-hour working days over the long term. Furthermore, the working substances are classified according to their carcinogenic, germ...Forest fire sensor inspired by nature
...oreceptor," says the research scientist. Since the atmosphere is pervious to infrared at these wavelengths, the insects can identify potential breeding grounds from a long distance. Assisted by his doctoral candidate Martin Mller, Schmitz has reconstructed the sensor using the simplest of components. Instead of...AGU journal highlights - 29 July 2004
...e model to satellitemeasurements at the top of the atmosphere and show that the Hadley model was inreasonable ag...to examine the changes in airbornepollution in the atmosphere compared to normal circumstances. The authorscompared the levels of atmospheric pollution immediatel...Unique partnership between UH, FDA opens path for scientific exchange
...a government-related career. In turn, the college atmosphere provides FDA staff and researchers with experiences in a real-world setting and access to a large, diversified population base. Participants from the FDA will have opportunities to study in a clinical setting....Research shows oceans are becoming more acidic
...ess that reduces the concentration of CO 2 in the atmosphere and mitigates its impact on global temperatures. However there is growing concern over the price of this service. For the symposium participants, it is now well established that by the middle of this century, the accumulating burden of CO 2 entering...Impact of Earth's rising atmospheric carbon dioxide found in world oceans
...ed 48 percent of the CO 2 we have released to the atmosphere from burning fossil fuels and cement manufacturing...umulate in the atmosphere, show that the ocean and atmosphere are the two primary 'sinks' [holding tanks] of this carbon dioxide since the beginning of the indust...Oxygen sensing in worms may hold key to healthy blood pressure in humans
...xygen, you die. For humans, living as we do in an atmosphere with a rich and stable supply of oxygen, maintaining the correct levels in our bodies is a relatively routine task. For organisms that live in soil or water, however, where oxygen levels can fluctuate wildly, the task is far more challenging -- and p...When sun's too strong, plankton make clouds
... for comparison, when carbon dioxide gets into the atmosphere where it acts as a greenhouse gas and traps heat, it may last for decades. Toole adds that the cycles that break down DMS scream along at these very fast rates, even though overall amounts over the course of the year remain pretty stable with a slow ...Researchers discover how worms' noses sense oxygen
...ronments. "We are immersed in a 21 percent oxygen atmosphere all the time, and our blood stream and lungs maintain the optimum oxygen levels in our tissues. So, we take oxygen levels for granted," Bargmann said. "But most other animals on the planet live in water or the soil, such as C. elegans. And since oxyg...New space-borne instrument to track greenhouse gases, ozone destroyers, and other pollutants
...e the chemistry and dynamics of four layers of the atmosphere that together span a region 8 to 80 kilometers (5 ...ardstick, the radiometer will look through Earth's atmosphere toward the planet's limb, or edge. It will find and measure ten different chemical species, characte...