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Study finds Colorado River Basin’s worst known megadrought was 1,800 years ago

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—Connie Woodhouse, a professor at the University of Arizona and a study co-author. Although tree-ring data are sparse back to the second century, this extreme drought event is also documented in paleoclimatic data from lakes, bogs and caves. —Edward Cook, a dendochronologist at Columbia University. Gangopadhyay, S., Woodhouse, C.

Colorado 273
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Study finds wind concentrates pollutants with unexpected order in an urban environment

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The paper by researchers from Arizona State University and Notre Dame is published in the American Institute of Physics (AIP) journal Physics of Fluids. —Wenbo Tang of Arizona State University, lead author. The unexpected finding is coherent patterns in fluid flows were thought to have no real analog in nature.

Pollution 231
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Students Use Their Tech Know-How to Protect the Environment

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Climate change is a problem for communities around the world. According to the Natural Resources Defense Council , climate change contributes to severe weather events such as hurricanes, flooding, and tornadoes, as well as long-term drought and regularly occurring heat events in traditionally moderate climate zones.

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Global companies form below50 to scale up low-carbon sustainable fuels; Audi in from automotive sector

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The companies and organizations driving the initiative include ABBI, Arizona State University, Audi, CGEE, Copersucar, DSM, DuPont, GranBio, the International Energy Agency (IEA), SkyNRG, Joule Unlimited, LanzaTech, LCFC, Novozymes, Pannonia, Poet, Red Rock Biofuels, RSB, SE4ALL and Yale University.

Carbon 150
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Recent Arctic Warming Reverses Millennia-long Cooling Trend

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These results indicate that recent warming is more anomalous than previously documented, says Darrell Kaufman of Northern Arizona University, the lead author of the study. This incongruity provides evidence of human influences on climate change, says Kaufman. to the industrial revolution, according to Kaufman. Kaufman, et al.

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Study finds advanced cellulosic biofuels show real promise for replacing some fossil fuels

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These results affirm the climate mitigation logic of biofuels, consistent with their prominent role in many climate stabilization scenarios. —Field et al. This is one of the first studies to look at both current and future carbon-negative biofuels.

Illinois 199
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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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That’s three times the amount estimated by the Intergovernmental Panel on Climate Change (IPCC). Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. This multi-site experiment clearly establishes streams and rivers as important sources of nitrous oxide.