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Tag: "emissions" at biology news

Soils offer new hope as carbon sink

...n off from the soils and found significantly lower emissions of carbon dioxide and nitrous oxide (a greenhouse ...des. "For the environment, it means soil carbon emissions can be reduced because rapidly decomposing carbon forms are being replaced by stable ones in the for...

Researchers find 24 species believed new to science in Suriname rainforest

...rldwide contributes 20 percent of the total carbon emissions into the atmosphere, more than all the world’s cars and trucks, making conservation of the Amazon rainforest a crucial strategy for minimizing climate change. The burgeoning global carbon market creates new economic value for carbon stored in standin...

Dirty snow may warm Arctic as much as greenhouse gases

...t this is the first to take into account realistic emissions from forest fires in the Northern Hemisphere and h... mitigate global warming. Limiting industrial soot emissions and switching to cleaner-burning fuels would leave snow brighter, he says. New snow falls each year,...

Researchers examine carbon capture and storage to combat global warming

...researchers are exploring another path for cutting emissions of carbon dioxide, the leading greenhouse gas that...n its report on carbon capture and storage. Global emissions in 2004 totaled 27 billion tons, according to the U.S. Department of Energy's Energy Information Adm...

Scientists close in on missing carbon sink

...setting carbon entering the air through industrial emissions and deforestation. The Science article, "Weak nor...f how trees and other plants respond to industrial emissions of carbon dioxide, which is a critical problem in global warming," Stephens says. "This will help us...

More recycling on the farm could reduce environmental problems

...ty of biological resources, curtail greenhouse gas emissions and groundwater contamination, and reduce farming's reliance on oil imports and water. A switch to regenerative agriculture would involve a variety of changes, including reduced use of inorganic fertilizers and more on-farm energy generation from wi...

Confirmed -- deforestation plays critical climate change role

... tropics accounts for nearly 20 per cent of carbon emissions due to human activities," Dr Canadell says. "This will release an estimated 87 to 130 billion tonnes of carbon by 2100, which is greater than the amount of carbon that would be released by 13 years of global fossil fuel combustion. So maintaining for...

Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

..."They’re added to global effects of greenhouse gas emissions that affect climate change. The take-home message is that we can accelerate the recovery rate of coral reefs by adapting human behavior and reducing local pressure on reefs; this research provides encouragement and incentive for local management. ...

Biodiesel study targets cleaner air, cleaner engines

...l efficiency. Environment Canada monitored exhaust emissions from tractors at the trial sites, including levels of carbon dioxide, nitrogen oxides and particulate matter. Although commercially available, biodiesel has never been tested on agricultural machinery in Canada and has not yet been widely used by...

Woman's Day and For Womens of Science

...in the declaration include: Increased mercury emissions from developing countries over the last 30 years have offset decreased emissions from developed nations. There is now solid scientific evidence of methylmercury's toxic health eff...

Mercury contamination of fish warrants worldwide public warning

...in the declaration include: Increased mercury emissions from developing countries over the last 30 years have offset decreased emissions from developed nations. There is now solid scientific evidence of methylmercury's toxic health eff...

ConocoPhillips establishes $22.5M biofuels research program at Iowa State

...rials and help reduce pollution and greenhouse gas emissions while diversifying the energy supply. Conventional biorenewable fuels include ethanol from corn starch and biodiesel from soybean oil. Advanced biofuels are expected to be made from fibrous biomass such as the stalks and leaves from corn plants and s...

Hotspots of mercury contamination identified in eastern North America

...de" approaches being implemented for regulation of emissions from coal-fired electric power stations, which, al...e of mercury but could lead to static or increased emissions in some areas. Greater deposition of mercury near areas that are highly sensitive to the element or ...

Scripps research study reveals structural dynamics of single prion molecules

...que that measures time fluctuations in fluorescent emissions from tagged proteins, which provided information about changes in shape of Sup35 taking place on the nanosecond timescale (billionths of seconds). A third technology, single molecule fluorescence coincidence, was used in an unusual way-to prove t...

New biofuels process promises to meet all US transportation needs

... Sequestering would involve pumping carbon dioxide emissions into saltwater aquifers and hollow underground pockets that used to contain oil, natural gas and coal deposits. But the procedure poses several potential pitfalls. "Clearly, massive quantities of carbon dioxide would be sequestered during a centur...

Ethanol vehicles pose a significant risk to human health, study finds

...added. ''These vehicles produce virtually no toxic emissions or greenhouse gases and cause very little disruption to the land-unlike ethanol made from corn or switchgrass, which will require millions of acres of farmland to mass-produce. It would seem prudent, therefore, to address climate, health and energy w...

Custom-made cancer cell attacks

...call for increased biofuel production is to reduce emissions of greenhouse gases, not because we are running out of fossil fuels, he added. ''There are reserves of coal for 200 years at least, and coal can be liquefied into fuel, but it produces an awful lot of CO2,'' he explained. Biofuels, on the other ha...

Cellulosic ethanol: Fuel of the future?

...call for increased biofuel production is to reduce emissions of greenhouse gases, not because we are running out of fossil fuels, he added. ''There are reserves of coal for 200 years at least, and coal can be liquefied into fuel, but it produces an awful lot of CO2,'' he explained. Biofuels, on the other ha...

Biodiesel won't drive down global warming

...l warming, and could potentially result in greater emissions of greenhouse gases than from conventional petrole...the SCI. Analysts at SRI Consulting compared the emissions of greenhouse gases by the two fuels across their overall life cycles from production to combustion ...

Scientists map air pollution using corn grown in US fields

...irect way to measure the release of carbon dioxide emissions that are contributing to climate warming." ...

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