Plants that produce more vitamin C may result from UCLA-Dartmouth discovery
...n efficient way to get sunlight to make sugar from carbon dioxide that produced oxygen as a waste product; that waste product probably killed off most of all living species at that time," Clarke said. "The only organisms that survived developed defenses against it, and one of the best defenses is vitamin C....Revelle family endows UC San Diego chair honoring Roger Revelle
...house effect resulting from increasing atmospheric carbon dioxide from the use of fossil fuels. He recruited...ey conducted groundbreaking studies of atmospheric carbon dioxide and the carbon cycle that provided the scientific background for the discussion of human imp...Novel sugar-to-hydrogen technology promises transportation fuel independence
...e energy in the starch to break up water into only carbon dioxide and hydrogen,"Zhang said. A membrane bleeds off the carbon dioxide and the hydrogen is used by the fuel cell to create electricity. Water, a product of that fu...ACS News Service Weekly PressPac -- May 16, 2007
...tigated the origin and transformation of elemental carbon (EC) and organic carbon (OC) from simple organic compounds in the black crusts that have formed over the centuries on stone ...Alarming acceleration in CO2 emissions worldwide
... produce a unit of gross domestic product) and the carbon intensity of the energy system (the amount of carbon per unit of energy), coupled with increases in population and in per-capita gross domestic product. ...Oregon researchers involved in new Clovis-age impact theory
...h layer contains metallic microspherules, iridium, carbon spherules, fullerenes, charcoal and soot. Some of those ingredients were found worldwide in soils dating to the K-T Boundary of 65 million years ago. The K-T layer marks the end of the Cretaceous Period and the beginning of the Tertiary Period, whe...Prehistoric remains reveal a drastic shift in northern fur seal ecology
...ombination of factors. The relative abundance of carbon and nitrogen isotopesvariants of an atom with different atomic weightsin bones can indicate what and where the animals ate when they were alive. Nitrogen isotopes can also be used to determine how long a mammal nursed before it was weaned. Careful me...Before selling carbon credits, read this
MADISON, WI, MAY 18, 2007 Storing carbon in agricultural soils presents an immediate option to reduce atmospheric carbon dioxide and slow global warming. Farmers who adopt practices that store carbon in soil may be able t...2007 Joint Assembly in Acapulco -- press conference schedule
...al materials that include metallic microspherules, carbon spherules, nanodiamonds, fullerenes, charcoal, and soot. The layer's composition may indicate that a massive body, possibly a comet, exploded in the atmosphere over the Laurentide Ice Sheet 12,900 years ago. The timing coincides with a great die-off ...Nutrition and heredity are genetically linked
... in the model bacterium Bacillus subtilis, central carbon metabolism (which generates energy from nutrients)...lves the activity of a small region of the central carbon metabolism (the terminal reactions of a process called glycolysis that burns sugars) and several enz...Brazil demonstrating that reducing tropical deforestation is key win-win global warming solution
...f fully enforced, will prevent one billion tons of carbon from being transferred to the atmosphere through d... emissions by half will be less than $5 per ton of carbon dioxide, as estimated in an unpublished study of IPAM and the Woods Hole Research Center. The CR p...Woods Hole Research Center scientists using remote sensing tools to predict bird species richness
...rch but also for improved estimates of biomass and carbon stocks." While some recent studies that have as...l information needed to map and monitor changes in carbon stocks."...Christian Paradis announces $4 million for renewable energies
...ouse gas emissions equivalent to 135,000 tonnes of carbon dioxide per year. The grant, administered by Natural Resources Canada, will cover the costs associated with installing underground pipelines, constructing a compression station and biomethane capture networks, and supplying water to the greenhouse ...Climate policy: It's good to be in the 'RED'
...hich releases more than 1.5 billion metric tons of carbon to the atmosphere every year, is a major contribut...sts make a significant dent in climate-threatening carbon emissions" And second, will these preserved forests be able to survive in an environment altered by ...NIST building software offers green product advice
...g from several manufacturers who agree to purchase carbon credits to offset the product's life-cycle greenhouse gas emissions. These and other products, such as biobased carpets, roof coatings, building maintenance products and fertilizers that qualify for a government "green" preferential purchase program,...New petroleum-degrading bacteria found at Rancho La Brea Tar Pits in Los Angeles
...f oxygen, methane is produced by bacteria that use carbon dioxide for respiration instead of oxygen," Crowley explained. He noted that the bacteria are not uniformly distributed in the tar pits. While one reason for their presence could be bacteria rising through the soil via a subterranean oil flow, othe...'Short-circuit' found in ocean circulation
...ans, and is also relevant to uptake and release of carbon dioxide by the sea transport between the deep and...culation is important because it distributes heat, carbon and nutrients around the globe and therefore plays a central role in regulating Earth's climate. ...Carnegie Mellon's David Sholl identifies new materials
...ngines that burn gasoline emit pollutants, such as carbon dioxide, that cause global warming. U.S. vehicles ... produced from domestic resources without emitting carbon dioxide into the atmosphere, which is an attractive vision for a future fuel source," said Sholl, wh...Understanding the global carbon budget -- Woods Hole Research Center expert provides insights
...nternational discussions, understanding the global carbon budget, and how it influences trends in global warming, will become increasingly crucial. The carbon cycle is related to climate and climatic change because it controls carbon dioxide, the most importa...Use of wind energy in US growing, but planning and guidelines are lacking
...ind to generate electricity is that it produces no carbon dioxide (CO2), a major greenhouse gas, or any othe...nergy will offset approximately 4.5 percent of the carbon dioxide that would otherwise be emitted by other electricity sources. In 2005, electricity generati...