Climate Change Mass Extinction

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Last updateSun, 21 Oct 2018 8pm

Smog shuts down city in China

Signs of overwhelming air pollution in Harbin, a city of 11-million people in Northeastern China was brought to a virtual standstill by choking smog. Incredible images of near-zero visibility forced schools to cancel classes. Highway traffic was paralyzed and the airport shut. NBC’s Rehema Ellis reports.