A simple color-coded scale used to communicate the quality of air to the general public
What is Air Quality Index (AQI)?
This Latin American city designed a “millennial” bus transit system
What is Bogota?
Tiny particles go past the nose and throat to get trapped deep inside these "gas-exchanging" organs
What are Lungs?
This gas is often called the "silent killer" because it prevents your blood from carrying oxygen
What is CO (carbon monoxide)?
This European city became an example for using market mechanisms to control traffic
What is London?
Long-term exposure to air pollution can lead to a "failure/arrest" of this organ
What is Heart?
Pollution = emissions/meteorology -- what happens to pollution if "nothing" changes for emissions?
What is "nothing"?
This Asian city took a long-term turn to blue skies after hosting the Olympics
What is Beijing?
Tiny "nanoparticles" have been found in this organ, and accelerating Alzheimer’s disease
What is Brain?