Going above and beyond to measure pollution
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In this edition we're putting Paris under the microscope as we train our eye on an invisible threat: pollution. This as the French capital gears up to host the UN COP21 climate change summit.
We start by giving you the facts about the city’s environment. Next, we see how local authorities are working to purify the Parisian air. And finally, we take an informative ride in an air-testing balloon.