Melting ice cap opening shipping lanes and creating conflict among nations
It's July and a cargo ship, laden with some 70,000 tons of coal, is slowly wending its way from Russia to China across the top of the world. This ship is functional, not beautiful; it's longer than two football ...
Feds: Don't expect winter to be polar vortex redux
(AP)—Federal forecasters don't expect a return of frequent cold blasts from the polar vortex this winter. Nor should the weather system that blocked rain from California last winter come back.
Arctic marine organisms capture CO2
Arctic marine organisms act as a reservoir for CO2, according to research published in the international journal Geophysical Research Letters.
Arctic sea ice continues low; Antarctic ice hits a new high
Sea ice covering the Arctic Ocean melted to its sixth lowest extent this year, while sea ice surrounding the Antarctic continent continued to break winter records, according to scientists at the National ...
Arctic bacteria show long evolution in toxic mercury resistance
With Mars and Europa out of reach, many scientists have turned to studying some of the Arctic and Antarctic microbes that have adapted to similarly harsh conditions on Earth.
How myths and tabloids feed on anomalies in science
There are many misconceptions about science, including how science advances. One half-truth is that unexpected research findings produce crises, leading to new theories that overturn previous scientific knowledge.
35,000 walruses mass on Alaska beach 'due to climate change'
At least 35,000 walruses have beached themselves on a remote Alaskan coastline in a phenomenon blamed on the melting of arctic ice due to climate change, experts said on Wednesday.
35,000 walrus come ashore in northwest Alaska
Pacific walrus looking for places to rest in the absence of sea ice are coming to shore in record numbers on Alaska's northwest coast.
With few data, Arctic carbon models lack consensus
(Phys.org) —As climate change grips the Arctic, how much carbon is leaving its thawing soil and adding to Earth's greenhouse effect? The question has long been debated by scientists. A new study conducted ...
Arctic sea ice helps remove CO2 from the atmosphere
Climate change is a fact, and most of the warming is caused by human activity. The Arctic is now so warm that the extent of sea ice has decreased by about 30 pct. in summer and in winter, sea ice is getting ...
NASA air campaigns focus on Arctic climate impacts
Over the past few decades, average global temperatures have been on the rise, and this warming is happening two to three times faster in the Arctic. As the region's summer comes to a close, NASA is hard at ...
A cold case heats up again
Twenty-five years ago, a U of A professor together with a newly minted alumnus, John Geiger, '81 BA, published Frozen in Time, a shocking and influential account of the Franklin expedition's disastrous final ...
Huge worldwide support for Arctic sanctuary: Greenpeace poll
Creating a sanctuary to protect international waters surrounding the North Pole would be supported by a huge majority of people across 30 countries, a Greenpeace poll said.
Four decades of sea ice from space
One of the most visible signs of climate change in recent years was not even visible at all until a few decades ago.