'Pigeon Patrol' Measures London Fog | NBC Bay Area
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'Pigeon Patrol' Takes Flight to Monitor London's Air Quality

The birds sport a GPS device and specially designed sensor

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    Dan Kitwood/Getty Images
    The sun breaks through mist over the Houses of Parliament and the River Thames on Nov. 2, 2015 in London, England.

    Pigeons wearing tiny, hi-tech backpacks have started patrolling England's capital city to monitor the air quality of the famous "London fog," NBC News reported.

    The goal of the three-day London project, named Pigeon Air Patrol, is to "raise awareness and change minds about pollution," according to Plume Labs, creators of a personal pollution app that delivers real-time updates and advice on how poor air quality impacts health.

    The birds sport a GPS device and a specially designed sensor capable of measuring levels of nitrogen oxide, volatile compounds and other pollutants. Top News Photos of the WeekTop News Photos of the Week