News tagged with volcanic activity

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The Carbon Cycle Before Humans

Geoengineering -- deliberate manipulation of the Earth's climate to slow or reverse global warming -- has gained a foothold in the climate change discussion. But before effective action can be taken, the Earth's ...

Feb 16, 2010
3.1 / 5 (19) 1 | with audio podcast

The greenhouse gas that saved the world

When Planet Earth was just cooling down from its fiery creation, the sun was faint and young. So faint that it should not have been able to keep the oceans of earth from freezing. But fortunately for the creation of life, ...

Aug 18, 2009
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Understanding the planets through volcanoes

Billions of years ago, volcanoes sent material from inside planetary bodies to the surface. Subsequent impacts have covered those original deposits. Jennifer Whitten, who receives her Ph.D. in geological ...

May 21, 2014
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New Zealand volcano lets off steam

A volcano off New Zealand sent a plume of steam two kilometres (1.24 miles) into the air Tuesday, although volcanologists described the eruption as small and said it was over in minutes.

Aug 20, 2013
not rated yet 0

Colombia volcano rumbles back to life

Officials in southern Colombia have issued a code orange alert for the newly-active Galeras volcano which they said could erupt in a matter of days or weeks, according to the state-run Geological and Mining ...

Nov 01, 2009
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Mars, methane and mysteries

Mars may not be as dormant as scientists once thought. The 2004 discovery of methane means that either there is life on Mars, or that volcanic activity continues to generate heat below the martian surface. ...

Aug 10, 2009
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