Greenland ice cores show industrial record of acid rain, success of US Clean Air Act
The rise and fall of acid rain is a global experiment whose results are preserved in the geologic record.
The rise and fall of acid rain is a global experiment whose results are preserved in the geologic record.
Environment
Apr 11, 2014
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A research team involving several scientists from the University of Colorado Boulder has found an unexpected silver lining in the devastating pine beetle outbreaks ravaging the West: Such events do not harm water quality ...
Ecology
Jan 14, 2013
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Four decades of changes in land use in central Costa Rica have increased nitrate concentrations in drinking water, in some areas to potentially unsafe levels, according to a new study led by a University of Texas at Arlington ...
Earth Sciences
Jan 8, 2024
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In large parts of Europe and North America, the decline in industrial emissions over the past 20 years has reduced pollution of the atmosphere and in turn of soils and water in many natural areas. The fact that this positive ...
Environment
Nov 21, 2016
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As Iowa farmers have planted more acres of corn to meet the demand driven by the corn-based ethanol industry, many models predicted that nitrate concentrations in Iowa streams would increase accordingly. However, recent IIHR ...
Environment
May 25, 2016
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Good news - the quality of water in the Illinois River has improved in one important aspect. A new study from the University of Illinois reports that nitrate load in the Illinois River from 2010 to 2014 was 10 percent less ...
Environment
May 10, 2016
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Plants need nitrogen to grow, and nitrate is a common fertilizer ingredient, but high levels of nitrate contamination in drinking water sources can cause health problems. It is generally known that nitrogen flows through ...
Environment
Mar 15, 2013
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There was no change in concentrations of chloride, dissolved solids, or nitrate in groundwater for more than 50 percent of well networks sampled in a new analysis by the USGS that compared samples from 1988-2000 to samples ...
Environment
Apr 30, 2012
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Past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. So reports a study just published in the Proceedings of the National Academy of Sciences. The paper, exploring nitrogen dynamics, ...
Environment
Mar 5, 2012
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Intensive agriculture practices developed during the past century have helped improve food security for many people but have also added to nitrate pollution in surface and groundwaters. New research has looked at water quality ...
Environment
Dec 19, 2011
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