Iron critical to ocean productivity, carbon uptake
...ynthesize 1-2 billion tons less atmospheric carbon dioxide than was previously thought. Global ocean carbon u...an. As phytoplankton plants grow, they suck carbon dioxide out of the atmosphere to build new cells. A better understanding of this carbon cycle is a key to st...NASA announces media briefing about ocean plant growth
...ly important role in regulating atmospheric carbon dioxide and the world's climate. This study solved the mystery why healthy looking ocean plants, or phytoplankton, are actually not so healthy. An article on this technique appears in the Aug. 31 issue of Nature. Reporters should call: 800-857-9091 and use...Researchers identify the cells and receptor for sensing sour taste
... acidity of the blood, since an increase in carbon dioxide dissolved in the blood increases acidity. "Defects in these blood-, CSF-, and brain-fluid-sensing systems may underlie a wide range of disorders," said Zuker. Several intriguing questions can be pursued now that the sour-taste cells and candidate ...Researchers develop flood-tolerant California rice
...e rice plant reduces the plant's oxygen and carbon dioxide supplies, affecting photosynthesis and respiration. Submerged, the plants lack the gases needed to produce sugar for cellular energy, resulting in death if submergence persists beyond four days. Bailey-Serres notes that access today to information...Loss of just one species makes big difference in freshwater ecosystem, study finds
...n dioxide, which could increase the flux of carbon dioxide from the river to the atmosphere, a topic Taylor will be exploring in the coming months. "We also used the wealth of information contained in museum specimens of Prochilodus collected over the past 28 years from throughout the Orinoco basin in Ve...New Queen's study offers environmentally friendly solution to oil industry needs
...require metals, acid, or light. Exposure to carbon dioxide (CO2) activates it, while bubbling air through the...heir properties when alternately exposed to carbon dioxide and nitrogen, making it possible to re-use the same solvent for multiple steps in a chemical process...More carbon dioxide may help some trees weather ice storms
Durham, N.C. -- The increased levels of carbon dioxide in the atmosphere predicted for later this century...easing the sensitivity to ice-storm damage, carbon dioxide decreased the sensitivity." The researchers reported the findings August 8, 2006, in the Journal o...Ancient Arctic water cycles are red flags to future global warming
... gases. Their measurements confirm that the carbon dioxide level increase in the PETM was at least twice as l...n between records of past warmth and higher carbon dioxide concentrations," Huber said. What it tells you is that it's not too difficult to push the climate sy...New flood-tolerant rice offers relief for world's poorest farmers
...plant is covered with water, its oxygen and carbon dioxide supplies are reduced, which interferes with photosynthesis and respiration. Because the submerged plants lack the air and sunlight they need to function, growth is inhibited, and the plants will die if they remain under water for more than four days....A humble aquarium fish may be the key to new therapies for birth defects
...ich a cell burns sugars and disposes of the carbon dioxide and water byproducts. They are required to produce pigmentation and develop connective tissue. These "cuproenzymes" are also necessary for creating the neurotransmitters essential for brain function. The researchers discovered that the Calamity mut...Wildlife Conservation Society joins Climate, Community & Biodiversity Alliance
... the emission of nearly 9.5 million tons of carbon dioxide into the atmosphere over the next 30 years by protecting 350,000 hectares of rain forest on this island nation. In addition the project will conserve rare and threatened biodiversity and create sustainable livelihoods for local communities. "WCS d...Scientific issues associated with carbon-neutral energy sources such as cellulosic ethanol
...ill dramatically reduce emissions of stored carbon dioxide into the atmosphere, Somerville noted. This past year, Somerville has been participating in workshops organized by the U.S. Department of Energy Office of Science to address the nation's renewable energy needs. The workshops provided information t...Sequencing the genome of a new kind of methane producer
... how they create methane simply by reducing carbon dioxide with hydrogen. Enzymes for the analysis of alternative methanogenic nutrients are not encoded by the RC-I genome. The RC-I archaeon can thus be categorised as hydrogenotroph Methanogenic Archaea can only produce methane, and the energy that comes fro...Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2006
...ision and colleagues injected 1,600 tons of carbon dioxide to a depth of 1,500 meters into a brine aquifer hosted by a sandstone formation in the Texas Gulf Coast. Researchers tracked the movement of the CO2 via chemical and stable isotope data, including pH, alkalinity, iron and gas compositions, and oxygen...American Society of Plant Biologists Annual Meeting August 5-9 in Boston
...uld dramatically reduce emissions of stored carbon dioxide into the atmosphere while at the same time meet th...ain how corn crops acclimate to atmospheric carbon dioxide enrichment. Also in this mini symposium, a talk will explain studies on UV-B induced DNA damage in ...Pine plantations may be one culprit in increasing carbon dioxide levels
...United States could contribute to a rise in carbon dioxide levels in the atmosphere, a new study reports. This is important because carbon dioxide is a key greenhouse gas, one that is linked to global warming. Landowners in the South are turning...Power plants are major influence in regional mercury emissions
...ts were restricted to wintertime so data on carbon dioxide that comes from the same combustion sources as mer...ted by photosynthesis. The researchers used carbon dioxide to trace mercury back to its sources with a unique method called "tracer analysis." "To our knowl......that the ocean plays a key role in removing carbon dioxide from the atmosphere in a process known as the carbon cycle. Photosynthesizing organisms, such as the Ostreococcus consume carbon and release oxygen in its place. "Certainly, the dynamics of these organisms are very important to understand since ...Yale dean addresses biggest environmental threats in new book
...oday." The atmospheric concentration of carbon dioxide has increased by one third over the pre-industrial level due principally to the use of fossil fuels and to large-scale deforestation; it is now at its highest level in over 420,000 years. The result is global climate change, which the authors assert ...Centuries of land-use practices profoundly impact earth system, UNH scientists report
...es are known to have added large amounts of carbon dioxide to the atmosphere, altered surface reflectivity, and led to habitat alteration and destruction," says Hurtt. "A major challenge for scientists now is to understand the combined effects of these activities on the dynamics of the carbon-climate system...