Large areas of vinyl flooring in daycares and schools appear to expose children to a group of compounds called phthalates, which have been linked to reproductive and developmental problems, scientists are reporting. They ...
Environment
Oct 23, 2013
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(Phys.org) —Each year, between the burning of fossil fuels and the clearing of old growth forests, humans put about 10 petagrams of carbon dioxide (CO2) into the atmosphere. A petagram is one quadrillion grams. Ten petagrams ...
Earth Sciences
Jun 20, 2013
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As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. But how do ...
Environment
May 14, 2013
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U.S. Forest Service scientists have found that prescribed fires with the heat insulation of leaf litter and soil can help restore oak ecosystems.
Environment
Jul 18, 2012
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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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