Canada tests noisy drones to steer polar bears away from Churchill
Hundreds of polar bears are gathering near Churchill, Canada, and conservationists are trying noisy drones to push them away from populated areas. Teams are also building AI-powered cameras that can spot approaching bears. Electric fencing is being installed at a local waste facility, which draws bears looking for food. These steps are meant to reduce dangerous encounters between people and bears. The risk is rising because climate change is delaying the formation of sea ice that bears rely on.
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