“There were 175 polluted days last year. That means that for half of the year, I had no choice but to keep her at home, shut in like a prisoner.” A documentary on China’s air quality crisis has been viewed hundreds of millions of times since it was released last weekend. From NPR: The anti-pollution documentary that’s taken China by storm.

+ InFocus: Beijing’s Toxic Sky.

+ During February, Earth hit CO2 levels likely not reached for about 23 million years. Congrats.