Every morning, Ditan Park in Beijing transforms into a microcosm of Chinese culture.
China's air pollution is really bad, but there might be more solutions in rural areas than in the big cities.
President Xi Jinping started working on the plan in 2013 and hopes to include 64 other countries.
In an interview with the Financial Times, Trump said: "If China is not going to solve North Korea, we will. That is all I am telling you."
Pollution from Asia contributed to up to 65 percent of the smog increase in the western U.S.
Graviky Labs has figured out a way to turn air pollution into something useful.
1.6 million people in China die every year because of air pollution, so many people protect themselves using face masks.
Donald Trump appeared on "Fox News Sunday" and said he doesn't know why "we have to be bound" by a one-China policy.
The air pollution in Beijing has traces of antibiotic-resistant bacteria.
It's not cleaning as much air as expected.
The nearly 23-foot-tall tower is set to visit multiple cities in China before its global tour.
The ground level is dropping at an alarming rate of 4 inches per year.