News tagged with aerosols

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Scientists say the ozone layer is recovering

Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday in a rare piece ...

dateSep 10, 2014 in Earth Sciences
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CLOUD sees through the haze

The CLOUD (Cosmic Leaving OUtdoor Droplets) experiment at CERN, which is studying whether cosmic rays have a climatically significant effect on aerosols and clouds, is also tackling one of the most challenging problems in ...

dateJun 11, 2014 in Earth Sciences
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No limits to human effects on clouds

Understanding how clouds affect the climate has been a difficult proposition. What controls the makeup of the low clouds that cool the atmosphere or the high ones that trap heat underneath? How does human activity change ...

dateJun 09, 2014 in Earth Sciences
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A question of atmospheres: On Earth and beyond

Scientists recently discovered the source of naturally occurring aerosol particles in Earth's atmosphere that play an important role in cloud formation. The particles in questions are known as 'climate-active organic aerosols,' ...

dateApr 01, 2014 in Earth Sciences
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Aerosols appear to weaken hurricanes

Aerosols in the atmosphere produced from human activities do indeed directly affect a hurricane or tropical cyclone, but not in a way many scientists had previously believed – in fact, they tend to weaken such storms, according ...

dateMar 11, 2014 in Earth Sciences
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