Pigeons monitor air pollution in London

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This is part of a series of articles that looks at entrepreneurs hoping to get their ideas off the ground through crowdfunding. At the time of writing, each of these innovations is currently seeking funding.

Humans have been using pigeons to carry messages for more than a thousand years, but the ancient use of these birds has been given a modern twist for a new air pollution research project in London. Pigeon Air Patrol, a three-day project developed by Plume Labs, is fitting pigeons with tiny air-monitoring backpacks to gather data on the city's air quality. The ultra-light backpacks are worn by ten racing pigeons owned by a professional pigeon breeder. The backpacks turn the pigeons into mobile air-monitoring devices, with the birds measuring nitrogen dioxide and ozone, two harmful air pollutants common in cities. Twitter…

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