Wildfires
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
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.
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.
Wildfires Rage in the United States
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Wildfires continued to burn across parts of the United States on September 8, 2025, exacerbated by dry conditions and high temperatures. Firefighters are battling multiple blazes, with evacuations ordered in high-risk areas. The events underscore the ongoing challenges of climate-driven fire seasons.
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.