Antarctica

Widespread cracks and crevasses were revealed in observations beneath the floating shelf of the vulnerable Thwaites Glacier of the Antarctic, where melting occurs more rapidly, contributing to its retreat and potentially to sea-level rise, according to a new study. The first-of-their-kind observations of the Florida-sized glacier was obtained by deploying the remotely operated Icefin underwater robot through a nearly 2,000-foot-deep borehole drilled in the ice, the study said. The research team from Cornell University, US, and international collaborators, captured the first close-up views of the critical point near the grounding line where Thwaites Glacier in western Antarctica - one of the continent's fastest changing and most unstable glaciers - meets the Amundsen Sea, the study said. From that area, the researchers concluded that Thwaites has retreated smoothly and steadily up the ocean floor since at least 2011. They found that flat sections covering much of the ice shelf's bas

Earth's protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. A once-every-four-years scientific assessment found recovery in progress, more than 35 years after every nation in the world agreed to stop producing chemicals that chomp on the layer of ozone in Earth's atmosphere that shields the planet from harmful radiation linked to skin cancer, cataracts and crop damage. In the upper stratosphere and in the ozone hole we see things getting better," said Paul Newman, co-chair of the scientific assessment. The progress is slow, according to the report presented Monday at the American Meteorological Society convention in Denver. The global average amount of ozone 18 miles (30 kilometers) high in the atmosphere won't be back to 1980 pre-thinning levels until about 2040, the report said. And it won't be back to normal in the Arctic until 2045. Antarctica, where it's so thin ..

The Indian Antarctic Bill provides a regulatory framework for India's Antarctic activities through legal mechanisms

Erosion of glaciers must be slowed

Record-breaking heatwaves hit both Antarctica and the Arctic simultaneously this week, with temperatures reaching 47 degree C and 30 degree C higher than normal.

Scientists expect sea-level rise will exacerbate the damage from storm surges and coastal floods during the coming decades

Scientists say Antarctic ice sheet has physical tipping points, beyond which ice loss can accelerate out of control.

Over a third of the Antarctic's ice shelf area may be at risk of collapsing into the sea if global temperatures reach four degrees Celsius above pre-industrial levels, according to a study

Chilean authorities announced that 58 people that were at two military bases in Antarctica or on a navy ship that went to the continent tested positive for the new coronavirus

Responsible for Earth's cooling, Arctic's sea ice cover shrank by 3.74 million square km in 2020

Japan's ANA Holdings Inc. sold tickets for a charter flight to nowhere

Here on Earth, one can escape the grip of our zest for luminescence and seek out a remote corner of the world where nights are still black except for the distant stars

Ocean convection occurs within the polynya bringing warmer water to the surface that melts the sea ice

Consensus is needed from all 24 member countries and the European Union

Go to the South Pole without roughing it at all

The study resolves a scientific conundrum, and an inconsistent pattern of warming often seized on by climate deniers