Can Hungary's red sludge be made less toxic with carbon?

The red, metal-laden sludge that escaped a containment pond in Hungary last week could be made less toxic with the help of carbon sequestration, says an Indiana University Bloomington geologist who has a patent pending on ...

Bioasphalt to be used, tested on Des Moines bike trail

Iowa State University's Christopher Williams was just trying to see if adding bio-oil to asphalt would improve the hot- and cold-weather performance of pavements. What he found was a possible green replacement for asphalt ...

Huge challenges in scaling up biofuels infrastructure

(PhysOrg.com) -- Ramping up biofuels production to replace fossil fuels and provide a significant portion of the nation's energy will require nothing short of a transformation of the U.S. agricultural, transportation and ...

Comet cause for climate change theory dealt blow by fungus

(PhysOrg.com) -- A team of scientists - led by Professor Andrew C Scott of the Department of Earth Sciences at Royal Holloway, University of London - have revealed that neither comet nor catastrophe were the cause for abrupt ...

Straw residue helps keep nitrogen on the farm

Scientists are exploring ways to reduce non-point pollution from agriculture. A new study finds that using straw residue in conjunction with legume cover crops reduces leaching of nitrogen into waterways, but may lower economic ...

Cellulosic ethanol: Expanding options, identifying obstacles

Agricultural Research Service (ARS) scientists are figuring out how to turn wheat straw into ethanol "gold," and learning more about the bacteria that can "infect" ethanol plants and interfere with fuel production.

Energy crops impact environmental quality

Crop residues, perennial warm season grasses, and short-rotation woody crops are potential biomass sources for cellulosic ethanol production. While most research is focused on the conversion of cellulosic feeedstocks into ...

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