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 ...

Nov 30, 2011
4.4 / 5 (13) 6 | with audio podcast

A beast with four tails

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

Nov 30, 2011
4.6 / 5 (10) 19 | with audio podcast

Scientists tackle the carbon conundrum

U.S. scientists have developed a new, integrated, ten-year science plan to better understand the details of Earth's carbon cycle and people's role in it. Understanding the carbon cycle is central for mitigating climate change ...

Nov 16, 2011
5 / 5 (2) 26

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 ...

Nov 04, 2011
5 / 5 (4) 1 | with audio podcast

STAR TRAK for October

As the short nights of summer give way to the longer nights of autumn in the Northern Hemisphere, Jupiter will come into view above the southeastern horizon as the sun sets. The huge planet will be much brighter ...

Oct 04, 2011
5 / 5 (1) 10

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.

Jul 28, 2011
4.6 / 5 (17) 18 | with audio podcast

Tempest-from-hell seen on Saturn

(PhysOrg.com) -- Scientists analyzing data from NASA's Cassini spacecraft now have the first-ever, up-close details of a Saturn storm that is eight times the surface area of Earth.

Jul 06, 2011
5 / 5 (10) 7 | with audio podcast

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 ...

Jun 10, 2011
3.3 / 5 (19) 43