The center’s scientists “stress that the Arctic sea ice extent number is preliminary — weather conditions could change the annual maximum ice extent.”
“This record low maximum gives a head start to the spring and summer melt season,” NSIDC senior research scientist Walt Meier said in the center’s report. “One or two record low years don’t necessarily mean much by themselves, but in the context of the significant downward trend that we’ve observed since 1979, it reinforces the dramatic change to Arctic sea ice throughout all seasons
Inside Climate News - A new report on global air pollution shows that the majority of the world’s population breathes unhealthy air, and climate change is making the problem worse.
The report was published Tuesday by IQAir, a Swiss air monitor and purifier company that posts real-time air quality data aggregated from sensors around the world. It shows that in 2025, most of the world’s cities were plagued with unhealthy levels of air pollution, and that climate-driven wildfires and dust storms as well as the continued burning of fossil fuels are driving toxic air across borders and worsening the problem.
Supercharged wildfires in California, Canada and South Korea and dust storms from China to Texas last year made it harder for millions to breathe. In an era of larger and more severe weather events, living far from the pollution’s origin is no protection.
Only 14 percent of the more than 9,000 cities included in the report met the World Health Organization’s target level for toxic particulate matter pollution. Canadian wildfires, intensified by climate change, led to deteriorating air quality in regions previously seeing improvements.
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