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.
International
Rush for Air Conditioners Sparks Tensions at French Supermarkets Ahead of New Heatwave
Scenes of long lines, overcrowded stores and customer disputes unfolded across France on Thursday as shoppers rushed to buy air conditioners and fans ahead of another expected heatwave.
The buying frenzy comes as the country continues to recover from last week’s extreme temperatures, which exceeded 40°C (104°F) in several areas and produced the warmest night on record, with an average temperature of 22°C (71.6°F). Authorities have linked the heatwave to at least 1,000 excess deaths.
Demand for cooling appliances has surged in recent days, prompting heavy traffic at appliance retailers. The situation intensified on Thursday when German discount supermarket chain Lidl launched a promotion on portable air conditioners and electric fans.
Videos shared on social media showed large crowds gathering outside stores, with customers pushing and rushing to secure the discounted products.
“Lidl France regrets the incidents that occurred in its stores,” the company told AFP, adding that employees were forced to manage tense situations in what it described as a challenging environment.
Outside a Lidl store in northwestern Paris, dozens of customers began lining up as early as 7:00 a.m., two hours before opening, while police monitored the crowd, according to an AFP journalist at the scene.
Although many shoppers remained in good spirits, tensions escalated as some people attempted to cut in line. “I will not open the store until they leave,” a store manager reportedly shouted as frustrated customers protested.
The situation worsened after customers discovered that the store, located in a working-class district of Paris, had only two air conditioning units available for sale.
One of the successful buyers, Lassana, who declined to provide his last name, said he had queued since 4:00 a.m. to secure one of the units.
Another customer, 69-year-old Fatou, was only able to purchase a small fan after what he described as a struggle. He criticized Lidl’s advertising as “misleading,” claiming police had temporarily closed access to the store because of the crowds.
Lidl France attributed the shortages to its fixed annual purchasing cycle, explaining that the promotional products had been ordered a year in advance and were offered at predetermined prices, limiting the available stock.
International
Peru Expands Emergency Measures Ahead of Heavy El Niño Rains
Peru has declared a state of emergency in 796 districts across 22 regions due to the imminent threat of heavy rainfall linked to the El Niño weather phenomenon, the government announced on Thursday.
El Niño, which causes unusually warm sea surface temperatures in the Pacific Ocean, disrupts global wind and rainfall patterns, often triggering extreme weather events. In Peru, the phenomenon has already driven temperatures up to 26 degrees Celsius, around five degrees above the seasonal average.
According to Peru’s National Center for Disaster Risk Estimation, Prevention and Reduction (Cenepred), more than 9.3 million people are at very high risk of flooding and landslides associated with El Niño.
Interim President José María Balcázar signed a decree extending an emergency measure that has been in effect since January, allowing authorities to implement immediate response and recovery actions in affected areas.
Under the decree, regional and local governments, working alongside Civil Defense and supported by national ministries, are authorized to take extraordinary measures to protect communities and critical infrastructure from the expected impacts of heavy rainfall.
“We have declared a state of emergency in 796 districts across 22 regions due to intense rainfall associated with the El Niño phenomenon for a period of 60 days,” the Presidency of the Council of Ministers said in a statement.
Peru is divided into approximately 1,800 municipalities.
The country’s agency responsible for monitoring El Niño recently upgraded its forecast for the phenomenon from moderate to strong for the period between June and September, with conditions expected to persist through the first quarter of 2027.
Scientists at the U.S. National Oceanic and Atmospheric Administration (NOAA) estimate there is a 63% probability of a very strong El Niño developing between November and January, potentially making it one of the most intense events recorded since 1950.
Peru last experienced El Niño in 2023, when flooding and landslides claimed 99 lives.
The country’s most devastating El Niño events occurred in 1997-1998, leaving around 500 people dead and reducing gross domestic product (GDP) by 6%, and in 1982-1983, when approximately 9,000 people died and the economy contracted by 11.6%.
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