A study published in Nature on Thursday highlights that the rapid decline of Antarctic sea ice may represent a crucial tipping point for the global climate.
The research, which analysed ice cores, ship logs, and observational data, found that “a regime shift has reduced Antarctic sea-ice extent far below its natural variability of past centuries, and in some respects is more abrupt, non-linear and potentially irreversible than Arctic sea-ice loss.”
Shrinking ice reduces solar reflection, accelerating global warming and weakening the Antarctic Overturning Circulation, which regulates ocean heat, nutrients, and weather patterns.
Nerilie Abram, the study's lead author noted, “Once we start losing Antarctic sea ice, we set in train this self-perpetuating process.”
The loss of ice is already affecting wildlife, including emperor penguins that breed on the ice and krill that feed below it. Warming surface waters are also diminishing phytoplankton populations that absorb large amounts of atmospheric carbon.
Even with efforts to reduce carbon dioxide emissions, the study warns that Antarctic sea ice loss may continue over centuries, emphasizing the urgent need for climate action.
Thousands of protesters rallied across Denmark on Saturday in a show of solidarity with Greenland after Donald Trump threatened to use economic pressu...
Syrian troops swept through dozens of towns and villages in the country's north on Saturday after Kurdish fighters withdrew under an agreement that ai...
Egypt and Sudan have welcomed an offer by U.S. President Donald Trump to restart mediation with Ethiopia in a bid to resolve the long-running dispute ...
Fitch Ratings, one of the world’s three major credit rating agencies, says the start of trade and economic relations between Armenia and Azerbaijan ...
A landmark global treaty to safeguard biodiversity in the high seas came into effect on Saturday, providing countries with a legally binding framework...
As typhoons hit Southeast Asia and Jamaica and Brazil recover from recent storms, delegates at Brazil’s COP30 summit are confronting how to help vulnerable communities cope with worsening climate extremes.
Britain must urgently prepare for global warming of at least 2 degrees Celsius above pre-industrial levels by 2050, its climate advisers said on Wednesday (15 October), warning the country is ill-prepared for extreme weather that is already occurring.
Wildfires have destroyed about a third of Namibia's Etosha National Park, a roughly 20,000 square-kilometre (7,722 square-mile) tourist destination known for its wildlife, the presidency said.
Juneau, Alaska, is on high alert as floodwaters from the Mendenhall Glacier threaten to reach record levels, forcing residents in vulnerable areas to evacuate immediately.
At least four people were injured after a large fire and explosions hit a residential building in the Dutch city of Utrecht, authorities said.
A railway power outage in Tokyo disrupted the morning commute for roughly 673,000 passengers on Friday (16 January) as two main lines with some of the world's busiest stations were halted after reports of a fire.
Russian President Vladimir Putin has warned that the international situation is worsening and that the world is becoming more dangerous, while avoiding public comment on events in Venezuela and Iran.
President Donald Trump announced Thursday evening that the long-awaited “Board of Peace” to oversee Gaza’s reconstruction has officially been formed.
Venezuelan opposition leader Maria Corina Machado said she presented her Nobel Peace Prize medal to U.S. President Donald Trump during their meeting on Thursday, 15 January.
A landmark global treaty to safeguard biodiversity in the high seas came into effect on Saturday, providing countries with a legally binding framework to tackle threats and meet a target to protect 30% of the ocean environment by 2030.
The 240-megawatt Khizi-Absheron Wind Power Plant has been inaugurated in Azerbaijan on Thursday (8 Jan) by President Ilham Aliyev, who described the launch as a landmark moment for Azerbaijan's energy sector. It's the first large-scale, independently developed wind energy project in the country.
A mountain gorilla has given birth to twins in war‑torn eastern Democratic Republic of Congo (DRC), a national park said on Wednesday, calling the event “a major event” for the endangered subspecies.
Experts say COP30 failed to deliver concrete commitments on fossil fuels and deforestation despite high expectations.
Snow and ice caused travel chaos in northwest Europe on Wednesday, while others were delighted by the snow-covered streets of Paris, venturing out on sledges and skis.
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