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
Nicolás Maduro’s Son Calls U.S. Trial Against His Father and Cilia Flores “Unjust”
Venezuelan lawmaker Nicolás Maduro Guerra on Wednesday described as “unjust” the legal proceedings in the United States against his father, ousted Venezuelan President Nicolás Maduro, and his wife, Cilia Flores, following their capture in Caracas on January 3 by U.S. forces.
“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.
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.
International
Mexico Files 20 Complaints in U.S. Over Deaths of 17 Citizens During ICE Operations
The Mexican government announced that it has filed 20 legal complaints across different jurisdictions in the United States seeking investigations into the deaths of 17 Mexican citizens who died since May 2025 during immigration enforcement operations or while in the custody of the U.S. Immigration and Customs Enforcement (ICE).
Mexico’s Secretariat of Foreign Affairs (SRE) reported that the complaints were submitted on July 13 by Mexico’s ambassador to the United States, Roberto Lazzeri. Of the total, eight cases were filed with state prosecutors’ offices and 12 with county prosecutors’ offices in Arizona, California, Florida, Georgia, Illinois, Louisiana, Missouri, and Texas.
According to the Mexican government, the legal actions seek to clarify the circumstances surrounding each death and determine whether any immigration authorities may bear responsibility.
During meetings with representatives from the Department of Homeland Security (DHS) and ICE, Ambassador Lazzeri expressed Mexico’s concerns over conditions in immigration detention centers, including privately operated facilities, and requested thorough investigations into every case.
In addition to the complaints filed in the United States, Mexico’s Foreign Affairs Ministry sent a communication to United Nations High Commissioner for Human Rights Volker Türk, informing him of the deaths and requesting that the UN gather information, assess the situation under international human rights standards, and issue recommendations to prevent similar incidents.
The SRE also stated that Mexico’s consular network continues to provide support to the families of the deceased citizens, including legal assistance, help with repatriation of remains, and other procedures requested by relatives.
The announcement comes after the death of Lorenzo Salgado Araújo, a Mexican citizen who died after being shot by ICE agents during an immigration operation in Texas. The case has gained additional attention after a federal judge in Houston ordered a halt to the deportation of José Trinidad Rojas Pliego, considered a key witness in the incident.
Mexican authorities reiterated that they will continue using all available legal and diplomatic mechanisms to monitor the investigations and defend the rights of Mexican citizens in U.S. territory.
International
India Approves New Dengue Vaccine as Global Cases Continue to Rise
India has approved a new dengue vaccine as health authorities seek to strengthen prevention efforts against a mosquito-borne viral disease that affects millions of people worldwide every year.
According to the World Health Organization (WHO), half of the global population is currently at risk of contracting dengue, which causes between 100 million and 400 million infections annually.
Since 2021, India has recorded more than one million dengue cases, including at least 1,500 deaths.
The virus can cause high fever, severe headaches, muscle pain, nausea, skin rashes and, in rare cases, internal bleeding and death.
The vaccine, authorized by India’s Central Drugs Standard Control Organization (CDSCO), was developed by Japanese pharmaceutical company Takeda. The Indian Health Ministry said the vaccine is recommended in two doses for people between 4 and 60 years old.
The treatment has already been approved by health authorities in around 40 countries worldwide.
Meanwhile, Indian pharmaceutical company Panacea Biotec has begun the final phase of clinical trials for a single-dose dengue vaccine, aiming to provide another prevention option against the disease.
Brazil recently announced the suspension of the use of another single-dose dengue vaccine developed in the country after two suspected deaths were reported.
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