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Chile’s distant paradise where scientists study climate change

Photo: Alberto Peña / AFP

AFP | Alberto Peña

Hidden inside pristine forests in Chile’s deep south, known as the end of the world, lie potential early warning signs of climate change. Puerto Williams on Navarino island, which is separated from the South American mainland by the Beagle Channel, is the world’s southern-most town.

Far from the pollution that blights major urban and industrial centers, it is a paradise that provides unique conditions to study global warming.

“There is nowhere else like it,” Ricardo Rozzi, director of the Cape Horn International Center for global change studies and bio-cultural conservation in Puerto Williams, told AFP.

It is “a place that is especially sensitive to climate change” as average temperatures do not rise above five degrees Celsius. This cold and windy area is the last inhabited southern frontier before reaching the Antarctic.

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The ethnobotanical Omora park is home to an immense variety of lichens, mosses and fungi that scientists study by crouching down onto their knees with magnifying glasses.

In the crystal clear Robalo river, minuscule organisms act as sentinels of the changes produced by global warming. In both the park and river, the alarm bells are ringing.

Moss and lichen on the move

At this latitude — 55 degrees south — climate change has an exponential effect on flora that react by seeking out low temperatures, said Rozzi, 61. “The most obvious aspect of climate change is the rising temperatures,” he said. “These lichens cannot survive” if a certain threshold is passed. To escape the higher temperatures, they move.

“In the case of (mosses) we’ve noticed that they have moved. Before they were between 50 and 350 (meters above sea level) and now they are between 100 and 400,” said Rozzi. He says Omora has more diversity per square meter of lichens and mosses than anywhere else in the world. They also help to absorb carbon dioxide.

Another aspect is the elevational diversity gradient, an ecological pattern in which biodiversity changes with elevation.

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The 700-meter high Bandera hill’s biodiversity changes every 200 meters and there is a mammoth 1.5 degrees Celsius difference in temperature between top and bottom.

“We can see what changes happen in the high mountains and in the area close to the sea in a very short distance, and we can see how the temperature affects the biodiversity that lives in this river,” Tamara Contador, 38, a biologist at the Cape Horn International Center, told AFP.

She studies the gradients themselves. If the height difference between gradients rises or falls on the mountain, scientists can determine whether there has been a global change in temperature. They say there has been.

Avoiding ‘extermination’

“On a global level, the polar and subpolar ecosystems are the most affected by climate change, so we are in a place where climate change has a much bigger effect on biodiversity than other places,” said Contador.

River organisms also form part of the alert system.

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“The organisms that live here are also indicators of water quality and global environmental change,” added Contador.

River organisms move about and have already increased their reproductive cycle, says Rozzi. This confirms there has been a small change to the climate in the area that could have been much greater elsewhere on the planet.

“Some insects that have an annual eggs to larvae to adulthood cycle are now having two cycles because the temperature has risen,” said Rozzi.

By studying these organisms and learning from them “we can avoid crossing the threshold that brings us to the extermination of humanity and other life forms,” he added.

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  • A glacier over Darwin's mountain range is seen during a journey through the Beagle Channel in the Magallanes region, the southernmost of Chile, on September 23, 2022. - There is a place at the end of the world, in the southernmost point of Chile, where pristine forests hide tiny systems in their depths that already give early warning of the global climate change that the planet is suffering. Beyond the place where the American continent ends, on Navarino Island, crossing the Beagle Channel, Puerto Williams stands as the southernmost city in the world, a place far from pollution and human mistreatment, with unique conditions for the study of climate change. (Photo by Alberto PEÑA / AFP)

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International

Wildfires in France Burn Nearly Three Times More Land Than in 2025, Interior Minister Says

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“Currently, we have 32 fires underway, which obviously do not all have the same level of importance,” Nuñez said.

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Despite the extensive resources deployed and the long hours worked by emergency teams — estimated to be two and a half times higher than last year — Nuñez said authorities remain “calm” and “determined” to contain the situation.

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The minister acknowledged that the main concern is the fatigue affecting firefighters and emergency personnel who have been working under demanding conditions.

“The concern, if there has to be one, obviously lies in the state of exhaustion of the men and women who are committed. We have to hold on throughout the entire season,” Nuñez said.

France’s late spring and early summer have been marked by repeated periods of extreme heat, conditions linked by scientists to climate change and considered a major factor contributing to the increase in wildfire activity across the country.

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Israel Says Saudi Recognition Would Mark ‘Historic Breakthrough’ for Middle East Peace

The office of Israeli Prime Minister Benjamin Netanyahu said Thursday that Saudi Arabia’s recognition of Israel would represent a “historic breakthrough” toward achieving peace in the Middle East.

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“Saudi Arabia joining the Abraham Accords would represent a historic breakthrough toward peace in the Middle East,” Netanyahu’s office said following Trump’s announcement.

The statement added that recent developments, including joint military actions by the United States and Israel against Iran, as well as Israel’s efforts against what it described as Iran’s “terror axis,” have created new opportunities to expand regional diplomatic ties.

“The joint U.S.-Israeli military action against the genocidal regime in Tehran and Israel’s defeat of Iran’s terror axis have created the possibility of expanding the circle of peace,” the statement said.

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A potential normalization agreement between Israel and Saudi Arabia would represent a major diplomatic shift in the region, as Riyadh has long been viewed as one of the key countries whose formal recognition could significantly reshape Middle Eastern relations.

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Nicolás Maduro’s Son Calls U.S. Trial Against His Father and Cilia Flores “Unjust”

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“Faced with the unjust trial taking place today, the people raised their voices with a single demand: We demand the immediate release of President Nicolás Maduro and the First Lady,” Maduro Guerra wrote on his Instagram account.

The lawmaker attended a rally in Caracas where supporters of the ruling United Socialist Party of Venezuela (PSUV)gathered to show support for the former president, who faces charges in the United States including conspiracy to commit narco-terrorism and cocaine importation. Flores is accused of crimes related to drug trafficking and weapons possession.

The event was also attended by PSUV Vice President for Mobilizations and Events Nahum Fernández and Caracas Mayor Carmen Meléndez, according to photos shared by Maduro’s son.

The third hearing in the case against Maduro and Flores concluded Wednesday at a federal court in New York after lasting only about 18 minutes. During the hearing, the judge preliminarily set June 2027 as the expected start date for the trial.

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One of the main arguments from the defense will focus on immunity. Maduro’s lead attorney, Barry Pollack, who has also represented WikiLeaks founder Julian Assange, said the defense plans to request immunity for both defendants, arguing that Maduro was serving as head of state and Flores as first lady at the time of their detention.

Both Maduro and Flores pleaded not guilty during their first court appearance in New York on January 5.

Meanwhile, Venezuela’s interim president Delcy Rodríguez, who assumed power after Maduro’s capture, has not yet commented on Wednesday’s hearing in the United States.

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