Polar Regions Current Events | Polar Regions News | 9
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High pollution may increase SARS death rate
Air pollution is associated with an increased risk of dying from SARS, according to a report published this week in Environmental Health: A Global Access Science Source. The study shows that patients with SARS are more than twice as likely to die from the disease if they come from areas where pollution levels are high. 5,327 cases of SARS have... view more... (2003-11-18)
Modeling of long-term fossil fuel consumption shows 14.5 degree hike in temperature
If humans continue to use fossil fuels in a business as usual manner for the next several centuries, the polar ice caps will be depleted, ocean sea levels will rise by seven meters and median air temperatures will soar 14.5 degrees warmer than current day. view more (2005-12-07)
NASA keeps eye on ozone layer amid Montreal Protocol's success
NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol, an international treaty designed to reduce the hole in Earth's protective ozone layer. view more (2007-09-14)
2007 ozone hole 'smaller than usual'
The ozone hole over Antarctica has shrunk 30 percent as compared to last year's record size. According to measurements made by ESA's Envisat satellite, this year's ozone loss peaked at 27.7 million tonnes, compared to the 2006 record ozone loss of 40 million tonnes. view more (2007-10-04)
Man-made soot contributed to warming in Greenland in the early 20th century
New research shows that industrial development in North America between 1850 and 1950 greatly increased the amount of black carbon--commonly known as soot-- that fell on Greenland's glaciers and ice sheets. view more (2007-08-10)
RAS PN99/15 ESA Chooses UK Cryosat
ROYAL ASTRONOMICAL SOCIETY PRESS INFORMATION NOTE view more (1999-06-07)
Overall Antarctic snowfall hasn't changed in 50 years
The most precise record of Antarctic snowfall ever generated shows there has been no real increase in precipitation over the southernmost continent in the past half-century, even though most computer models assessing global climate change call for an increase in Antarctic precipitation as atmospheric temperatures rise. view more (2006-08-11)
NASA, CU-Boulder airborne expedition chases Arctic sea ice questions
A small NASA aircraft completed its first successful science flight Thursday in partnership with the University of Colorado at Boulder as part of an expedition to study the receding Arctic sea ice and improve understanding of its life cycle and the long-term stability of the Arctic ice cover. view more (2009-07-20)
Emory paleontologist reports discovery of carnivorous dinosaur tracks in Australia
The first fossil tracks belonging to large, carnivorous dinosaurs have been discovered in Victoria, Australia, by paleontologists from Emory University, Monash University and the Museum of Victoria (both in Melbourne). view more (2007-10-22)
Tracing broken wiring in stroke patients
Researchers have used a technique to trace the functional disruption in brain circuitry that causes stroke patients to show a lack of awareness or response to the side of the body opposite to the side of the stroke lesion in the brain. view more (2007-03-15)
Cancer cells suppress large regions of DNA by a reversible process that can be tackled
Cancer researchers at Sydney's Garvan Institute, in collaboration with Spanish scientists, have formulated a new concept for how cancer cells can escape normal growth controls, which may have far-reaching implications for the new generation of cancer therapies. view more (2006-04-24)
Science adopts a new definition of seawater
In Paris late last month the General Assembly of UNESCO's Intergovernmental Oceanographic Commission (IOC) accepted the case for the introduction of a new international thermodynamic description of seawater, cast in terms of a new salinity variable called Absolute Salinity. view more (2009-07-20)
Fertilizers help Zimbabwean farmers to increase crop yields
A little bit of manure and fertilizer can considerably improve the perspectives of Zimbabwean smallholder farmers in semi-arid regions. Nitrogen availability was found to be the factor that most limited farmers' efforts to increase cereal yields. Dutch-sponsored researcher Bongani Ncube demonstrated this after four years of research on smallholder... view more... (2007-04-16)
World first in satellite-based monitoring of large lake areas
Satellite sensors operating in the visible wavelength region are now in use for the monitoring of oceanic waters. For the first time ever, Finnish scientists have demonstrated the practical usability of satellite data for the simultaneous monitoring of water quality in large lake and coastal regions. The project was carried out by the Laboratory... view more... (2002-04-15)
Global warming capable of sparking mass species extinctions
The Earth could see massive waves of species extinctions around the world if global warming continues unabated, according to a new study published in the scientific journal Conservation Biology. view more (2006-04-12)
Patagonian glacier yields clues for improved understanding of global climate change
A better understanding of climate variations at planetary scale is one of climate scientists' crucial concerns. Stable water isotope analysis, the chemistry of ice cores taken from the Arctic and Antarctic polar ice caps and of air bubbles trapped in them now allow a chronology to be drawn up of the climate changes that took place over the past... view more... (2008-08-05)
Mosquito genes explain response to climate change
University of Oregon researchers studying mosquitoes have produced the first chromosomal map that shows regions of chromosomes that activate - and are apparently evolving - in animals in response to climate change. view more (2007-04-24)
ESA satellite guides polar explorers across disintegrating sea ice
Two Belgian explorers currently nearing the end of a staggering 2 000 km trek across the Arctic Ocean were recently guided through hazardous conditions using observations from Envisat, as sea ice in the Lincoln Sea began to break up unexpectedly. view more (2007-06-13)
Cassini findings suggest complex story of venting at the south pole of Enceladus
Evidence is mounting that the atmosphere of Enceladus, first detected by the Cassini Magnetometer instrument, is the result of venting from ground fractures close to the moon's south pole. view more (2005-08-31)
Thawing permafrost likely to boost global warming
The thawing of permafrost in northern latitudes, which greatly increases microbial decomposition of carbon compounds in soil, will dominate other effects of warming in the region and could become a major force promoting the release of carbon dioxide and thus further warming, according to a new assessment in the September 2008 issue of BioScience. view more (2008-09-02)
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