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Tracking the toxic metals left behind by wildfires
- March 6, 2026 at 12:00 AM
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Between 2023 and 2025, more than 30 million hectares burned in Canada due to wildfires. The threat from increasingly frequent and intense wildfires goes beyond fire and smoke—the heat can also transform naturally occurring metals in soil into more toxic forms that could pose a threat to human health.
Originally published at Phys.org