13 July 2016

Large-scale reforestation could lead to slight reduction in global warming

Large-scale reforestation could lead to slight reduction in global warming

Planting new forests could contribute more to the mitigation of climate change than previously thought, according to a new study. This is due to the combined effect of land use changes and the enhanced carbon uptake of the terrestrial biosphere in a warm and high carbon dioxide climate, according to the study’s authors.

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12 July 2016

Dormant volcano near Rome is waking up

Dormant volcano near Rome is waking up

A long-dormant volcano outside Italy’s capital is entering a new eruptive cycle, a recently published study finds. Scientists previously assumed Colli Albani, a 15-kilometer (9-mile) semicircle of hills outside Rome, was an extinct volcano. But in recent years, scientists have observed new steam vents, earthquakes and a rise in ground level in the hills and surrounding area.

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11 July 2016

Climate tipping points: What do they mean for society?

Climate tipping points: What do they mean for society?

The phrase “tipping point” passed its own tipping point and caught fire after author Malcolm Gladwell’s so-named 2000 book. It’s now frequently used in discussions about climate change, but what are “climate tipping points”? And what do they mean for society and the economy?

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7 July 2016

Future astronauts might not be able to use water on Mars, study suggests

Future astronauts might not be able to use water on Mars, study suggests

Last year, scientists made a splash with the news that dark streaks on the Martian surface were signs of flowing liquid water. So far, they have been unable to determine where the water is coming from, but a new study uses recently acquired data of a large canyon system on Mars to eliminate some of the possibilities.

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6 July 2016

‘The Blob’ overshadows El Niño

‘The Blob’ overshadows El Niño

Research identifies earlier ocean warming as dominant effect off West Coast.

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5 July 2016

Odd behavior of Jovian moon dust could inform future space missions, search for life

Odd behavior of Jovian moon dust could inform future space missions, search for life

New research into the movements of dust around Jupiter’s four largest moons could help scientists searching for life in our solar system, according to a new study. This moon dust around Jupiter could give scientists clues about the composition of the surface of its satellites.

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30 June 2016

Electric forces in desert air create mighty dust storms, study finds

Electric forces in desert air create mighty dust storms, study finds

Electric fields in dust storms have been discovered lifting 10 times more dust into the air than winds alone, according to new experiments conducted in the Sahara Desert. The discovery has big implications for global climate studies, as well as for understanding dust storms on Mars.

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28 June 2016

Climate change causing oceanic boundary currents to intensify and shift poleward

Climate change causing oceanic boundary currents to intensify and shift poleward

Weather along the eastern coasts of South Africa, Asia, Australasia and South America will get significantly warmer and stormier on average over the next 100 years, a new study finds. The culprit? Climate changes that are causing ocean currents next to these coastal regions, called western boundary currents, to become stronger and extend further toward the poles, according to the new study.

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27 June 2016

Capping warming at 2 degrees: New study details pathways beyond Paris

Capping warming at 2 degrees: New study details pathways beyond Paris

Even if countries adhere to the Paris climate agreement hammered out last fall, capping global warming at 2 degrees Celsius (4 degrees Fahrenheit) would likely require net zero greenhouse gas emissions by 2085 and substantial negative emissions over the long term, according to an in-depth analysis by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado.

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24 June 2016

Big Becomes Great

Big Becomes Great

There is some debate on what makes a river great. Is it its length? Its width? Ajit always thought it was more a matter of water volume, but after years of observing river plumes, he now opts for permanence. A river is great when its discharge has a detectable impact on the ocean; when its plume remains unmixed or fairly stable for a considerable period of time, without losing its idiosyncrasy.

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