(Phys.org) —Methane, a key greenhouse gas, has more than doubled in volume in Earth's atmosphere since 1750. Its increase is believed to be a leading contributor to climate change. But where is the methane coming from? ...
Environment
Feb 11, 2014
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Scientists from U of T's Department of Chemistry have discovered a novel chemical lurking in the atmosphere that appears to be a long-lived greenhouse gas (LLGHG). The chemical – perfluorotributylamine (PFTBA) – is the ...
Earth Sciences
Dec 9, 2013
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The rain in Spain may lie mainly on the plain, but the location and intensity of that rain is changing not only in Spain but around the globe.
Earth Sciences
Nov 11, 2013
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The world's largest blimp leaves Florida on Tuesday on a monthlong journey across the U.S., slipping into clouds and hanging out so its crew can try to determine whether they teem with microscopic life.
Earth Sciences
Sep 24, 2013
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Over the past 23 years, UN scientists have issued progressively stronger assertions about climate change.
Environment
Sep 21, 2013
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Overgrazing by millions of sheep and goats is the primary cause of degraded land in the Mongolian Steppe, one of the largest remaining grassland ecosystems in the world, Oregon State University researchers say in a new report.
Environment
Sep 5, 2013
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The weather patterns that steered deadly Superstorm Sandy into the East Coast last year may be on the decrease, thanks to rising levels of greenhouse gases in the atmosphere.
Earth Sciences
Sep 4, 2013
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(Phys.org) —Ten years of satellite observations of greenhouse gases reveal that carbon dioxide in our atmosphere continues to increase despite international efforts to reduce carbon emissions. Satellites also show that ...
Environment
Sep 4, 2013
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Planet hunters keep finding distant worlds that bear a resemblance to Earth. Some of the thousands of exoplanet candidates discovered to date have similar sizes or temperatures. Others possess rocky surfaces and support atmospheres. ...
Astronomy
Sep 3, 2013
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The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long wave communications, ...
Earth Sciences
Jul 30, 2013
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