South America is currently facing a severe heatwave, impacting countries from Argentina to Colombia.
This has triggered widespread wildfires, putting authorities on high alert. El Niño, exacerbated by climate change, is largely responsible for this extreme weather.
Governments across the region are responding actively.
Colombia, declaring a natural disaster, seeks assistance from several countries, including the United States and Canada.
Chile’s National Service for Disaster Prevention and Response (Senapred) has issued regional alerts due to increasing wildfires.
Santiago, Chile’s capital, recorded temperatures surpassing 50-year records, with a recent high of 36.7°C.
Argentina is experiencing similar extremes, with the National Meteorological Service issuing alerts for eight provinces.
Notably, Trelew in Patagonia reached a record temperature of 42.6°C. Brazilian cities, like Rio de Janeiro, have also faced soaring temperatures.
Experts like Camilo Prieto link the intense wildfires to drought conditions caused by El Niño.
These fires are significantly harming air quality, posing health risks to vulnerable groups like the older people and young children.
Additionally, they threaten biodiversity and contribute to increased CO2 emissions.
Johana Herrera from the WWF emphasizes the ecological impacts. The fires disrupt natural habitats and isolate wildlife populations.
Record Heat: Impacts on Health and Ecosystems
The World Meteorological Organization confirms that 2023 was the hottest year on record.
This increase in temperature stems from the shift from La Niña’s cooling effect to El Niño’s warming influence.
The Lancet Countdown report indicates a 160% rise in heat-related deaths in South America. It also highlights the growing exposure to high wildfire risks.
Yasna Palmeira, a researcher, explains that heatwaves disrupt bodily temperature regulation, leading to potential organ damage and malnutrition.
Stella M. Hartinger, co-author of the report, suggests increasing green areas in cities. This approach can reduce temperatures, improve air quality, and benefit health.
She also recommends staying hydrated and protecting vulnerable individuals from the sun.
The WWF underlines the importance of long-term recovery from wildfires. It involves assessing impacts, planning recovery actions, using local knowledge, and prioritizing native species.
This ongoing crisis underscores the need for comprehensive responses to climate change and its far-reaching effects on ecosystems, health, and agriculture.
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