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Photo taken on March 11, 2014 shows the Eiffel tower and Paris' roofs through a haze of pollution. French non-governmental organization (NGO) Ecologie Sans Frontiere (Ecology without borders) confirmed on March 11 that they had filed a criminal complaint in Paris to denounce the 'health scandal' of air pollution, as several regions of France experienced high levels of particulate pollution. AFP PHOTO / PATRICK KOVARIK (Photo credit should read PATRICK KOVARIK/AFP/Getty Images)
Photo taken on March 11, 2014 shows the Eiffel tower and Paris' roofs through a haze of pollution. French non-governmental organization (NGO) Ecologie Sans Frontiere (Ecology without borders) confirmed on March 11 that they had filed a criminal complaint in Paris to denounce the 'health scandal' of air pollution, as several regions of France experienced high levels of particulate pollution. AFP PHOTO / PATRICK KOVARIK (Photo credit should read PATRICK KOVARIK/AFP/Getty Images)

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    Global air pollution on the rise

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Global air pollution on the rise

CNN's Jonathan Mann speaks to Columbia University's Darby Jack about the different types of air pollution.

Global air pollution on the rise

CNN's Jonathan Mann speaks to Columbia University's Darby Jack about the different types of air pollution.