Copernicus satellites have been monitoring NO2 levels across Europe, with air pollution plummeting nearly 40% in Paris compared to April 2019. Seana in The Cube explains.

Code: SPORTS20. Sports Travel Discount. Get $20 Off. Promo Code: SPORTS20

More videos

Associated Press 11 May 2020 11:44 CEST

AP Top Stories May 11 A