In the right conditions, airplane contrails can linger in the sky as contrail cirrus—ice clouds that can trap heat inside the Earth's atmosphere. Their climate impact has been largely neglected in global schemes to offset ...
Environment
Jun 27, 2019
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2
The Red Sea is located between North Africa and the Arabian Peninsula, the world's largest dust source regions. Summer winds pump dust from the Sahara and Arabian deserts down a narrowing mountain-fringed passage, causing ...
Earth Sciences
May 16, 2019
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4
The science is clear that human activities over the last century have contributed to greenhouse-like warming of the Earth's surface. Much of the global conversation around climate change fixates on what individual countries ...
Environment
Dec 17, 2018
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208
Clues from prehistoric droughts and arid periods in California show that today's increasing greenhouse gas levels could lock the state into drought for centuries, according to a study led by UCLA professor Glen MacDonald.
Earth Sciences
Sep 15, 2016
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353
Much of the influence on climate from air pollution in East Asia is driven by consumption in the developed countries of Western Europe and North America, according to research co-led by McGill University atmospheric scientist ...
Environment
Sep 6, 2016
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329
A new study has found that the massive Laurentide ice sheet that covered Canada during the last ice age initially began shrinking through calving of icebergs, and then abruptly shifted into a new regime where melting on the ...
Earth Sciences
Jun 23, 2015
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29
The conversion of arctic and boreal wetlands into agricultural land results in an additional cumulative radiative forcing of about 0,1 MilliJoule (mJ) per square meter for the next 100 years. The conversion of temperate wetlands ...
Environment
Mar 25, 2015
3
10
Scientists have observed an increase in carbon dioxide's greenhouse effect at the Earth's surface for the first time. The researchers, led by scientists from the US Department of Energy's Lawrence Berkeley National Laboratory ...
Earth Sciences
Feb 25, 2015
278
113
For the world's deteriorating environment, don't blame burning fossil fuels exclusively. Land use and land cover changes contribute about 40 percent to "radiative forcing," a key underlying factor in global warming, according ...
Environment
Dec 4, 2014
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0
(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
5
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