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Tag: "coal" at biology news

Survey finds silver contamination in North Pacific waters

...silver contamination is atmospheric emissions from coal burning in Asia," said Russell Flegal, professor o...n across the North Pacific ocean from China, where coal is the primary fuel and the use of emissions controls is limited. Major pollutants from the burning ...

Grass makes environmentally friendly biofuel

...t up to 90 percent less greenhouse gases than oil, coal and natural gas do. Furthermore, he says, grass is perennial, does not require fertilization and can be grown on marginal farmland. "Any mixture of grasses can be used, cut in mid- to late summer, left in the field to leach out minerals, then baled ...

Fluoride poisoning in China due to clay, not coal

...disease was caused by people burning fluoride-rich coal in indoor stoves without chimneys. Because of thi...province show that the average fluoride content of coal burnt in Guizhou is lower than in any other major coal-burning province in China. Instead, they say...

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

...o the West Coast of the US." China is reliant on coal to meet 75% of its national energy needs, and that...phur dioxide produced from smouldering underground coal seam fires. Burrows is the scientist who - supported by an international team - proposed both GOM...

Carbon cycle was already disrupted millions of years ago

...could also have been formed under high pressure in coal seams and then subsequently released upon coming into contact with magma. A third option is that carbon from organically-rich sediment came into contact with hot magma. As a result of this the organic molecules combusted into CO2 and water. Yvonne ...

Report shows deforestation threatens Brazil's Pantanal

...hey concluded that agriculture, cattle grazing and coal mining are the major threats to the Paraguay River Basin, a significant hydrographical drainage of the South American continent. Titled "Estimated Loss of Natural Area in the High Paraguay River Basin and the Brazilian Pantanal," the report produced...

Major initiative proposed to address amphibian crisis

...ologists have called amphibians the "canary in the coal mine" - the first clear and sweeping biological example of environmental change, pollution and toxicity that may ultimately affect many other animal species, including humans.The demise of amphibians also has ecological ripple effects ?they provide a...

Seagrass ecosystems at a 'global crisis'

...rge-scale losses worldwide. "Seagrasses are the coal mine canaries of coastal ecosystems," said co-author Dr. William Dennison of the University of Maryland Center for Environmental Science. "The fate of seagrasses can provide resource managers advance signs of deteriorating ecological conditions cause...

Study finds mercury prevalent in many western fish

...nd manmade sources, the researchers say, including coal power plants from as far away as China, the burning of heavy oils and other fossil fuels, and even forest fires. In the survey, the researchers did find 13 fish from eight different sites that had very high mercury concentrations ?levels of 1.0 mi...

Cellulosic ethanol: Fuel of the future?

...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...

Custom-made cancer cell attacks

...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...

New biofuels process promises to meet all US transportation needs

...s. A conventional method for turning biomass or coal into liquid fuels involves first breaking down the...onventional methods are used to convert biomass or coal to liquid fuels, 60 percent to 70 percent of the carbon atoms in the starting materials are lost in ...

Paper challenges 1491 Amazonian population theories

...ply core sampling methodology to determine through coal and pollen levels, how much human activity was going on. ...

Researchers examine carbon capture and storage to combat global warming

...tice could transform heavy carbon spewers, such as coal power plants, into relatively clean machines with ...gas reservoirs, deep saline aquifers and unminable coal beds, hundreds to thousands of meters underground. The carbon dioxide is pumped down through well...

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