News tagged with northern hemisphere

Abrupt permafrost thaw increases climate threat

As the Arctic warms, greenhouse gases will be released from thawing permafrost faster and at significantly higher levels than previous estimates, according to survey results from 41 international scientists published in the ...

dateNov 30, 2011 in Earth Sciences
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A beast with four tails

( -- The Milky Way galaxy continues to devour its small neighbouring dwarf galaxies and the evidence is spread out across the sky.

dateNov 30, 2011 in Astronomy
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Biodiversity can promote survival on a warming planet

Whether a species can evolve to survive climate change may depend on the biodiversity of its ecological community, according to a new mathematical model that simulates the effect of climate change on plants and pollinators.

dateNov 04, 2011 in Ecology
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Earth is getting fatter

Like many of its inhabitants, the Earth is getting thicker around the middle -- that's what a new study out this week says. The increased bulge is due to the melting of the Greenland and Antarctic ice sheets.

dateJul 28, 2011 in Earth Sciences
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Say goodbye to cool summers: climate study

By 2050, the coolest summers in the tropics and parts of the northern hemisphere will still be hotter than the most scorching summers since the mid-20th century if global warming continues apace, according to a new study.

dateJun 10, 2011 in Environment
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