Change status of emperor penguins to ‘vulnerable’: Study

The iconic Antarctic bird needs more protection if it is to survive the rapid melting of sea ice due to global warming, it says

Sea butterflies are threatened by climate change. Here’s how this can impact Antarctic marine ecosystems

Ocean acidification more dangerous for shelled, smaller sea butterflies but can impact entire ocean foodweb  

Antarctic ozone hole — one of the largest, deepest — closes

The annually occurring ozone hole over the Antarctic had rapidly grown from mid-August 2020 and peaked at around 24 mln sq km  

Antarctic ice melting at a rate that led to the end of last ice age: Study

Researchers found that between 2010 and 2016 the base of ice near the floor of the ocean has shrunk by 1,463 sq km, roughly the size of Delhi

Understanding climate change

Did climate change begin with industrialisation? How do we identify ‘bad’ climate change?

The Antarctic Treaty is turning 60. In a changed world, is it still fit for purpose?

As disputes have arisen over years, many have been addressed through expansion of treaty framework. This framework is now referred to as the …

Abiding beauty

Antarctica is one of the few places on earth that have never seen war, where the environment is protected and where the priority is scientific …

Arctic Sea ice saw largest decline in 41 years in July 2019: NCPOR

Loss of ice cover in the Arctic Sea has had strong effects on components of climate system, such as reduction of heat and momentum, water vapour &…

Sea ice on both poles at record low, finds WMO report

Antarctic sea ice cover at record low for 2nd consecutive year; Arctic sea ice extent is also at an all-time minimum 

Why did Antarctic Larsen C ice shelf break in 2017? NASA has an answer

Melange, a collection of snow, icebergs and sea ice, has properties similar to glue: It fills cracks or gaps in ice shelves. As it grows thinner, …

Accidental discovery of life deep beneath Antarctica’s ice shelves baffles scientists

As many as 16 sponges and 22 unidentified species attached to a rock were discoverd away from the sunlight under harsh conditions  

Rare Antarctica warming to trigger heatwaves, fires in Australia

The sudden stratospheric warming in South Pole has spiked temperatures by more than 40 degrees

Krill companies to stop fishing in Antarctic to protect wildlife

Members of the Association of Responsible Krill decided to voluntarily stop fishing for the crustaceans in order to ensure fisheries are …

Earth’s last magnetic field flip lasted 22,000 years: Study

The most recent magnetic field reversal happened some 770,000 years ago and is named Matuyama-Brunhes after the scientists who discovered it

Hindu Kush Himalayan region contains 27% less ice than estimated: study

The region is expected to lose half of its present-day glacier area by 2060, says a study on world’s glaciers

Marine protection falls short of the 2020 target to safeguard 10% of the world’s oceans. A UN treaty and lessons from Antarctica could help

Stronger Antarctic leadership is urgently needed to safeguard the Southern Ocean and beyond

Industrial Revolution kick-started global warming much earlier than we realised

The tropical oceans and the Arctic were the first regions to begin warming, in the 1830s

Climate change 'hitting harder and sooner' than forecast: Report

Global temperatures have risen by 1.1°C since 1850, and have increased 0.2°C between 2011 and 2015

Antarctica lost more than 3 trillion tonnes of ice in 25 years, but where is all the water going?

It’s time researchers and policy makers think about managing the water when even the more resilient of the two poles has given in to …

April 2023 records great variations in temperatures globally: Copernicus

World’s fourth warmest April; 0.32°C  warmer than the 1991-2020 average

CoP 26: Greening of polar ice should top agenda; here’s why

Greening will convert the ‘net reflective’ ice caps to ‘net absorptive’, accelerating polar ice melting 

Anthropocene in the Arctic

A behind the scenes account of how the scientific community came to terms with the changing landscape of the Arctic

In a first, fly ash particles found in Antarctic ice, thousands of kilometres from potential source

The sample dated back to 1936, indicating physical markers of fossil fuel combustion have been trapped in ice layers for decades

Why do rorqual whales need to be enormous? Answer helps identify species threatened by climate change

Depending on how their prey fares, certain whale species will either win or lose in future oceans

Towards breaking point

The imminent calving of ice shelf, Larsen C, will reduce Antarctica to its smallest ever size. Is global warming responsible?