Home

Arctic

Acidification of oceans may create turmoil in marine food chains

Mon, 06/08/2012 - 15:29 by Minnie Mahendru

The rapid climatic changes have led to severe deep-sea acidification jeopardizing the growth of aquatic creatures like sea urchins, mussels, clams, oysters, crabs and lobsters. The scientists fear that this trend will be uppermost in the regions near the poles. The sea creatures are facing grave complexity in development inside their shells leaving them exposed to the eye of the predator.

Atmospheric CO2 levels on the rise

Mon, 04/06/2012 - 15:15 by Neka Sehgal

The Earth’s atmosphere has reached what climatic scientists are calling a “depressing” and “troubling” new milestone for the level of carbon dioxide (CO2), the main global warming pollutant.

Circumpolar rivers responsible for Arctic mercury-- says study

Thu, 24/05/2012 - 17:18 by RESHMI CHAKRAVORTY

Environmental scientists at Harvard have observed that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of rivers-- the Lena, Yenisei and Ob that carry the element north into the Arctic Ocean.

Exxon strikes oil deal with Russia

Wed, 31/08/2011 - 15:50 by Anter Prakash Singh

Exxon Mobil and Russian oil firm Rosneft and have agreed to start joint operation on the Arctic Sea shelf and in the deep waters of the Black Sea in Russia.

Scientist says Arctic getting colder

Fri, 23/04/2010 - 22:25 by Inderjit Singh

Moscow -- A Russian scientist says the Arctic may be getting colder, not warmer, which would hamper the international race to discover new mineral fields.

An Arctic cold snap that began in 1998 could last for years, freezing the northern marine passage and making it impassable without icebreaking ships, said Oleg Pokrovsky of the Voeikov Main Geophysical Observatory.

"I think the development of the shelf will face large problems," Pokrovsky said Thursday at a seminar on research in the Polar regions.

Scientists who believe the climate is warming may have been misled by data from U.S. meteorological stations located in urban areas, where dense microclimates creates higher temperatures, RIA Novosti quoted Pokrovsky as saying.

Scientists urged to cut carbon emissions

Thu, 11/06/2009 - 00:01 by Salinder Kumar

Calgary, Alberta. -- A Canadian scientist says those who study climate change must be careful to reduce their own carbon footprints.

University of Calgary postdoctoral fellow Ryan Brook is urging scientists to examine and share ways to reduce the impact of working in polar regions.

Brook regularly flies north to study the health and anatomy of caribou herds in
Nunavut and Northwest Territories. The research typically takes him north five or six times each year and when he calculated his own carbon footprint, he was not happy with the result.