International
Chile’s distant paradise where scientists study climate change
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.
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.
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.
“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)
International
Authorities Say Teotihuacán Gunman Was Obsessed With Mass Shootings and Extremist Symbolism
Julio César Jasso Ramírez, identified by authorities as the gunman behind the armed attack at the archaeological site of Teotihuacán, had allegedly spent years building a personal narrative shaped by an obsession with historical mass shootings, extremist symbolism, and an increasing detachment from reality.
According to preliminary findings from the Fiscalía General de Justicia del Estado de México, the 27-year-old suspect, originally from the southern Mexican state of Oaxaca, acted alone and appeared to have carefully planned the attack.
Investigators also pointed to signs of a severe psychological or psychiatric disorder. One official involved in the case stated that the suspect seemed to live in “his own reality,” disconnected from the world around him.
“I would not speak of a motive; I would speak of psychopathy, a condition, an illness,” the official said while discussing the ongoing investigation.
Authorities reported that Jasso Ramírez was allegedly fixated on mass violence incidents that occurred outside Mexico, particularly in the United States.
Among the items found in his possession were writings, images, and materials reportedly linked to the Columbine High School massacre, the school shooting that took place on April 20, 1999.
The investigation remains ongoing as authorities continue analyzing evidence connected to the suspect’s background and mental state.
International
Iran refuses to reopen strait of Hormuz amid ongoing U.S. Naval blockade
Iran reaffirmed on Wednesday that it will not reopen the Strait of Hormuz while the United States maintains its naval blockade against Iranian ports and vessels, amid rising geopolitical tensions in the region.
Iranian Parliament Speaker Mohamad Baqer Qalibaf warned that reopening the crucial maritime route depends on Washington honoring the ceasefire agreement. According to Qalibaf, Iran considers the deal to be violated due to ongoing U.S. actions.
The Iranian official accused the United States of carrying out a “naval blockade and the hijacking of the global economy,” while also pointing to Israeli military operations in Lebanon as part of the broader conflict affecting the region.
Qalibaf stated that military and economic pressure would not force Iran to change its position. “The United States and Israel failed to achieve their goals through military aggression, and they will not succeed through intimidation. The only path forward is to recognize the rights of the Iranian nation,” he said.
His remarks come amid stalled negotiations between Iran and the United States following direct talks held on April 11 and 12 in Islamabad.
The discussions, led by U.S. Vice President JD Vance and Iranian representatives, have shown little progress in recent days, increasing uncertainty over whether dialogue between the two sides will resume.
U.S. President Donald Trump recently announced an extension of the ceasefire but decided to keep the naval blockade in place, a move Tehran considers incompatible with ongoing negotiations.
Meanwhile, Iran’s Islamic Revolutionary Guard Corps intensified operations in the area by seizing two vessels in the Strait of Hormuz, accusing them of operating without the required permits and escorting them into Iranian territory.
The Strait of Hormuz remains one of the world’s most critical oil trade routes, and any prolonged disruption could have significant consequences for global energy markets.
International
Maradona’s daughter accuses medical team of “horrible manipulation” in court
One of the daughters of Diego Maradona testified in court this Tuesday, breaking down in tears as she denounced what she described as “absolute and horrible manipulation” by her father’s medical team, during an emotional hearing in Argentina.
Gianinna Maradona stated that she and her siblings agreed to home hospitalization after doctors presented it as the best option following the neurosurgery Maradona underwent on November 3, 2020.
The football icon died on November 25 of that year, and the ongoing trial seeks to determine whether the conditions of his home care were appropriate.
According to Gianinna, what the family found at the residence where Maradona was recovering did not match what had been promised. She testified that there was no adequate medical equipment, constant monitoring, or even an ambulance available, despite assurances of continuous care.
“The manipulation was absolute and horrible,” she said during the hearing in San Isidro, near Buenos Aires.
She accused members of the medical team, including neurosurgeon Leopoldo Luque, psychiatrist Agustina Cosachov, and psychologist Carlos Díaz, of misleading the family.
“I trusted these people, and all they did was manipulate us and leave my son without a grandfather,” she added.
Later in her testimony, recalling that six years have passed since her father’s death, she became emotional and said she struggled deeply with grief in the aftermath.
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