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.
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The explosion at King Khalid International Airport in Riyadh on Saturday afternoon killed at least 12 people and injured a further 309, according to Saudi Arabia’s Civil Aviation Authority. The airport remains closed until further notice.
Yemen's Houthis renewed warning to airlines, airport workers, and travellers against using Saudi airports, saying the warning should be taken seriously and that the kingdom “bore responsibility for failed interceptions”, a day after an attack on Riyadh's international airport that killed 12 people.
Russian President Vladimir Putin expressed surprise after Donald Trump mediated the Armenia-Azerbaijan peace agreement in 2025, the U.S. President said at a rally in New York state on Friday.
The United Nations has condemned a sharp rise in attacks on civilians in Ukraine, reporting that more than 100 people were killed and at least 429 injured in a single week as Russian strikes hit residential areas, passenger buses and critical infrastructure.
The U.S. has imposed sanctions on the International Criminal Court (ICC) on Friday (9 October) escalating tensions with European allies and potentially targeting companies that provide services to the tribunal. The move came hours after former ICC judge Navi Pillay won the Nobel Peace Prize.
Türkiye’s COP31 presidency has unveiled an action agenda designed to turn climate commitments into concrete projects and measurable results, focusing on clean energy, waste reduction, resilient cities and industrial decarbonisation.
Greenland and Antarctica have shed a combined 11.3 trillion tonnes of ice since 1979, according to the most comprehensive satellite study of the planet's ice sheets to date, with researchers warning the pace of loss has accelerated sharply in recent decades.
The European Union will continue allowing large-scale plastic waste exports to Türkiye despite concerns over recycling rates, environmental damage and the risk of illegal waste trafficking.
Hundreds of thousands of deep-diving turtles, known as olive ridley sea turtles, have arrived on Mexico’s southern coast for one of nature’s most striking nesting events. But conservation officials warn that climate change is making it increasingly difficult for their eggs to hatch.
August 2026 tied as the hottest month ever recorded globally, pushing average temperatures above the critical 1.5°C threshold as extreme weather swept across several regions, the EU’s Copernicus Climate Change Service said.
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