Wildfires
Wildfires Rage in California National Park
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A wildfire approached Sierra National Park in California on September 15, 2025, prompting evacuations and firefighting efforts. The blaze has burned significant acreage amid dry conditions. Authorities report no casualties but emphasize the need for climate-resilient strategies.
Atmospheric CO2 levels surged to record high in 2024
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Global average CO2 concentrations jumped by a record 3.5 parts per million in 2024, reaching 423.9 ppm, according to the World Meteorological Organization. This marks the largest annual increase since measurements began in 1957. The surge is attributed to fossil fuel emissions, wildfires, and reduced carbon uptake by lands and oceans.
Study links wildfires and heat to worse air quality in megacities
A recent study highlights how increasingly frequent wildfires and heat events are aggravating air pollution in major urban areas. Researchers found that these climate-driven factors significantly elevate levels of harmful particulates and ozone. The findings underscore the growing environmental challenges for densely populated cities.
Scientists simulate wildfire-induced thunderstorms in climate models
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Researchers have achieved a breakthrough by recreating wildfire-induced thunderstorms, known as pyrocumulonimbus clouds, in Earth system models for the first time. This simulation captures how intense bushfires generate severe weather that can spread fires further. The work enhances understanding of fire-atmosphere interactions amid worsening climate conditions.
Environment Canada Issues Air Quality Alert for South Peace
Environment Canada has released a special air quality statement for the South Peace region, warning residents of potential health risks due to elevated pollution levels. The advisory, issued on September 12, 2025, attributes the poor air quality to wildfire smoke and industrial activities in northeastern British Columbia.