Articles with the keyword:
14

Ozone: Friend or Foe?

sumsung submitted, created time 8 months 2 weeks (sciencenow.sciencemag.org)

The ozone layer protects all life on Earth, but it's frustrating scientists' attempts to curb global warming. Take geoengineering: Researchers have proposed that injecting sulfur particles into the stratosphere might counter the effects of greenhouse gas buildup, but a new study suggests that the approach could thin the planet's already fragile ozone layer. Leaving the ozone layer alone comes with its own risks, however. A second study warns that the gradual recovery of the Antarctic ozone hole could speed the continent's warming.

5

European Space Agency's Envisat captures breath of volcano

bianjie submitted, created time 1 year 5 months (www.esa.int)

Indonesia Mount Gamkonora volcano is spewing hot ash and smoke into the air, as seen in the attached image taken by the MERIS instrument aboard ESA satellite Envisat, causing more than 8000 people to be evacuated amid fears of an imminent eruption, according to officials.

12

Volcano gets choke chains to slow mud

DNA2004 submitted, created time 1 year 11 months (www.nature.com)

Indonesian geophysicists hope to stem the flow of a destructive mud volcano on East Java by dropping chains of concrete balls into its mouth.

The mud eruption began on 29 May last year in the middle of a rice paddy in the village of Porong, 30 kilometres south of Surabaya, the provincial capital. Since then, the volcano has spewed out up to 126,000 cubic metres of mud a day, flooding an area of more than 4 square kilometres.

Some 10,000 people have been left homeless and 20 factories have closed

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