'Time running out' as CO2 levels hit new high, UN says
Atmospheric carbon dioxide concentrations have crossed a new threshold, the UN's weather agency said Monday, highlighting the urgency of curbing manmade, climate-altering greenhouse gases.
Atmospheric carbon dioxide concentrations have crossed a new threshold, the UN's weather agency said Monday, highlighting the urgency of curbing manmade, climate-altering greenhouse gases.
Environment
May 26, 2014
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If we had a second Earth, we could experiment with its atmosphere to see how increased levels of greenhouse gases would change it, without the risks that come with performing such an experiment. Since we don't, scientists ...
Earth Sciences
May 22, 2014
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(Phys.org) —As the shale gas boom continues, the atmosphere receives more methane, adding to Earth's greenhouse gas problem. A Cornell ecology professor fears that we may not be many years away from an environmental tipping ...
Environment
May 14, 2014
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Polar scientists said Thursday they had successfully drilled a 2,000-year-old ice core in the heart of Antarctica in a bid to retrieve a frozen record of how the planet's climate has evolved.
Earth Sciences
May 8, 2014
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A surprising recent rise in atmospheric methane likely stems from wetland emissions, suggesting that much more of the potent greenhouse gas will be pumped into the atmosphere as northern wetlands continue to thaw and tropical ...
Environment
Apr 28, 2014
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A team of researchers lead by Florida State University have found new evidence that permafrost thawing is releasing large quantities of greenhouse gases into the atmosphere via plants, which could accelerate warming trends.
Earth Sciences
Apr 7, 2014
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Scientists at the University of East Anglia have identified four new man-made gases in the atmosphere – all of which are contributing to the destruction of the ozone layer.
Earth Sciences
Mar 9, 2014
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(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
13
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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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