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Half the world faced an extra month of extreme heat due to climate change: study

Half the world faced an extra month of extreme heat due to climate change: study
A jogger runs along a trail as temperatures hit record highs in San Antonio, US. (AP)
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Updated 30 May 2025

Half the world faced an extra month of extreme heat due to climate change: study

Half the world faced an extra month of extreme heat due to climate change: study
  • About 49 percent of the global population experienced at least 30 more days of extreme heat according to a study done by scientists at the World Weather Attribution, Climate Central, and the Red Cross Red Crescent Climate Center

WASHINGTON: Half the global population endured an additional month of extreme heat over the past year because of manmade climate change, a new study found Friday.
The findings underscore how the continued burning of fossil fuels is harming health and well-being on every continent, with the effects especially under-recognized in developing countries, the authors said.
“With every barrel of oil burned, every ton of carbon dioxide released, and every fraction of a degree of warming, heat waves will affect more people,” said Friederike Otto, a climate scientist at Imperial College London and co-author of the report.
The analysis — conducted by scientists at World Weather Attribution, Climate Central, and the Red Cross Red Crescent Climate Center — was released ahead of global Heat Action Day on June 2, which this year spotlights the dangers of heat exhaustion and heat stroke.
To assess the influence of global warming, researchers analyzed the period from May 1, 2024 to May 1, 2025.
They defined “extreme heat days” as those hotter than 90 percent of temperatures recorded at a given location between 1991 and 2020.
Using a peer-reviewed modeling approach, they then compared the number of such days to a simulated world without human-caused warming.
The results were stark: roughly four billion people — 49 percent of the global population — experienced at least 30 more days of extreme heat than they would have otherwise.
The team identified 67 extreme heat events during the year and found the fingerprint of climate change on all of them.
The Caribbean island of Aruba was the worst affected, recording 187 extreme heat days — 45 more than expected in a world without climate change.
The study follows a year of unprecedented global temperatures. 2024 was the hottest year on record, surpassing 2023, while January 2025 marked the hottest January ever.
On a five-year average, global temperatures are now 1.3 degrees Celsius above pre-industrial levels — and in 2024 alone, they exceeded 1.5C, the symbolic ceiling set by the Paris climate accord.
The report also highlights a critical lack of data on heat-related health impacts in lower-income regions.
While Europe recorded more than 61,000 heat-related deaths in the summer of 2022, comparable figures are sparse elsewhere, with many heat-related fatalities mizattributed to underlying conditions such as heart or lung disease.
The authors emphasized the need for early warning systems, public education, and heat action plans tailored to cities.
Better building design — including shading and ventilation — and behavioral adjustments like avoiding strenuous activity during peak heat are also essential.
Still, adaptation alone will not be enough. The only way to halt the rising severity and frequency of extreme heat, the authors warned, is to rapidly phase out fossil fuels.


Pirates board tanker off Somalia in biggest escalation since 2024

Pirates board tanker off Somalia in biggest escalation since 2024
Updated 3 sec ago

Pirates board tanker off Somalia in biggest escalation since 2024

Pirates board tanker off Somalia in biggest escalation since 2024
  • Crew members took shelter in the ship’s 'citadel,' or fortified safe room, and still had control of the vessel
  • Somali pirate gangs have been relatively inactive in recent years after previously being a major menace around the Gulf of Aden and Indian Ocean
ATHENS: Pirates boarded a Malta-flagged products tanker off Somalia on Thursday, but the crew took refuge in a fortified safe room and remain in control of the vessel, maritime security sources said.
A burst of armed attacks on vessels in the region — including the first involving suspected Somali pirates in a year — has reignited concerns for shipping lanes used to transport critical energy and goods to global markets.
The Hellas Aphrodite, which was carrying gasoline, was en route from India to South Africa when a “security incident” took place on Thursday morning, its Greek manager Latsco Marine Management said. All the crew were safe, it added.
Pirates on a skiff opened fire on the tanker, maritime security firm Ambrey said. The pirates had also fired a rocket-propelled grenade at the vessel, maritime security sources said.
The European Union’s naval force said one of its assets was “close to the incident and closing distance, ready to take the appropriate actions to respond effectively to this piracy alert.”

The crew members took shelter in the ship’s “citadel,” or fortified safe room, and still had control of the vessel, officials from maritime security company Diaplous and British maritime risk management group Vanguard said.
The vessel’s captain is Montenegrin, a source with knowledge of the operation said. Five of the crew members, including the chief engineer, are Greek and the rest are Filipino nationals, the source added.
“All 24 crew are safe and accounted for and we remain in close contact with them,” Latsco Marine Management said in a statement.
Latsco said it had activated its emergency response team and was coordinating with authorities to ensure the continued safety and welfare of the crew.
“The crew reported they could hear noise on the vessel,” one of the maritime security sources said.
A Japanese aircraft conducted a surveillance flight over the area, but did not detect any movement or signs of activity on the ship, the source added.
The last comparable boarding in the region was in May 2024, when suspected pirates got onto the Liberian-flagged vessel Basilisk around 380 nautical miles east of Mogadishu. EU naval forces later rescued the 17 crew members after rappelling by fast-rope onto that vessel.
On Monday, in the first suspected Somali piracy incident of its kind since 2024, armed assailants attacked a commercial tanker off the coast near the capital Mogadishu, firing at the vessel after attempting to board it, maritime sources said.
Maritime security sources said pirates had also taken over an Iranian fishing vessel this week for use as a mothership to launch attacks.
The last hijacking took place in December 2023, when the Maltese-flagged Ruen was taken by assailants to the Somali coast before Indian naval forces freed the crew and arrested the attackers.
Somali pirate gangs have been relatively inactive in recent years after previously being a major menace around the Gulf of Aden and Indian Ocean.
Yemen’s Iran-affiliated Houthi militia have posed a greater threat to shipping through the Red Sea, which leads into the Gulf of Aden, since the group first launched attacks on commercial ships in November 2023, in solidarity with Palestinians over Israel’s war in Gaza.
While the Houthis have agreed to a truce on targeting US-linked shipping, many shipping companies remain wary of resuming voyages through those waters.