During the 1970s and 1980s, researchers and policymakers became increasingly worried about multiple consequences of acidic emissions of sulfur dioxide and nitrogen oxides from the stacks of power stations, and eventually ...
Environment
Aug 1, 2011
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(PhysOrg.com) -- A team of scientists led by Montana State University has discovered the "when" of a major event that led to the evolution of complex life on Earth.
Earth Sciences
Jun 21, 2011
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One helpful action anyone can take in response to global warming is to plant trees and preserve forests. Trees and plants capture carbon dioxide during photosynthesis, thereby removing the most abundant greenhouse gas from ...
Environment
May 25, 2011
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Scientists have discovered that marine diatoms, tiny phytoplankton abundant in the sea, have an animal-like urea cycle, and that this cycle enables the diatoms to efficiently use carbon and nitrogen from their environment.
Cell & Microbiology
May 11, 2011
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Programs that allow facilities to buy and sell emission allowances have been popular and effective since they were introduced in the U.S. two decades ago. But critics worry the approach can create heavily polluted "hot spots" ...
Environment
Mar 30, 2011
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In the search for life on Mars or any planet, there is much more than the presence of carbon and oxygen to consider. Using Earth's biogeochemical cycles as a reference point, elements like nitrogen, iron and sulfur are just ...
Earth Sciences
Feb 2, 2011
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(PhysOrg.com) -- In the vast ocean where an essential nutrient -- iron -- is scarce, a marine bacterium that launches the ocean food web survives by using a remarkable biochemical trick: It recycles iron.
Earth Sciences
Jan 10, 2011
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(PhysOrg.com) -- Pyrroles, which are rings containing one nitrogen and four carbon atoms, are essential components of our red hemoglobin as well as the green chlorophyll in plants. Japanese researchers led by Hiromitsu Maeda ...
Materials Science
Dec 10, 2010
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Organic producers are faced with somewhat different challenges in maintaining their soil nutrient levels than are conventional producers. The new Montana State University Extension bulletin Soil Nutrient Management on Organic ...
Environment
Dec 3, 2010
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Scientists have sought to learn more about how the Earth's oceans absorb carbon dioxide and generally exchange gases with the atmosphere so they can better understand the corresponding effects on climate. To that end, many ...
Cell & Microbiology
Nov 2, 2010
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