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WATCH: How Pigeons Are Helping To Measure Air Pollution In London

These pigeons have been outfitted with backpacks that can test pollution in the skies.

Backpack-wearing pigeons playing a big part in tackling London air pollution problem. A team of 10 birds, otherwise known as Pigeon Air Patrol, carries pollution sensors and GPS devices to help study areas of the city with high levels of nitrogen dioxide. Those who want to check out the pollution levels in their area can even tweet @PigeonAir to receive a report.

Watch the video above to hear more about the innovative program.  

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