Polar Bears: As hundreds of polar bears prepare to gather near a Canadian town, conservationists are testing noisy drones to move them away from people, plus a camera warning system and electric fencing at a garbage site
Churchill is often called the polar bear capital of world (Representational photo) Hundreds of polar bears are expected to gather near the Canadian town of Churchill in Manitoba as temperatures fall and the animals wait for Hudson Bay to freeze.To prevent dangerous encounters between the bears and local residents, conservationists are testing noisy drones that…