News articles tagged with 'polar'
Polar bear births could plummet with climate change
— 9 Feb 2011 16:23 | EnvironmentUniversity of Alberta researchers Peter Molnar, Andrew Derocher and Mark Lewis studied the reproductive ecology of polar bears in Hudson Bay and have linked declining litter sizes with…
Arctic fisheries' catches 75 times higher than previous reports: UBC research
— 5 Feb 2011 14:06 | EnvironmentUniversity of British Columbia researchers estimate that fisheries catches in the Arctic totalled 950,000 tonnes from 1950 to 2006, almost 75 times the amount reported to the United…
Polar bears: On thin ice? Extinction can be averted, scientists say
— 16 Dec 2010 17:19 | EnvironmentPolar bears were added to the threatened species list nearly three years ago when their icy habitat showed steady, precipitous decline because of a warming climate…
Biologists report more bad news for polar bears
— 25 Nov 2010 18:09 | BiologyWill polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle…
Polar bears can't eat geese into extinction
— 5 Nov 2010 13:27 | EnvironmentAs the Arctic warms, a new cache of resources - snow goose eggs - may help sustain the polar bear population for the foreseeable future. In a new study published in an early online…
The many faces of the Venus' polar vortex
— 23 Sep 2010 10:36 | AstronomyA new animation using data from ESA's Venus Express spacecraft shows that the double eye of the giant vortex at Venus's South pole has disappeared. Results of a study that shows the…
Key compound of ozone destruction detected
— 23 Jul 2010 11:23 | EnvironmentFor the first time, KIT scientists have successfully measured in the ozone layer the chlorine compound ClOOCl which plays an important role in stratospheric ozone depletion. The doubts…
ESHRE study shows new PGS method can predict chromosomal abnormalities
— 7 Jul 2010 11:45 | HealthScientists at the University of Bonn and at the SISMER centre in Bologna used a new micro-array technology that screens all chromosomes in one cell within 12 hours, allowing for fresh…
Scientist links increase in greenhouse gases to changes in ocean currents
— 18 Jun 2010 15:01 | EnvironmentBy examining 800,000-year-old polar ice, scientists increasingly are learning how the climate has changed since the last ice melt and that carbon dioxide has become more abundant in…
Scientists call for a new strategy for polar ocean observation
— 18 Jun 2010 13:50 | EnvironmentIn a report published in this week's issue of Science, a team of oceanographers, including MBL (Marine Biological Laboratory) Ecosystems Centre director Hugh Ducklow, outline a polar…