Colette Heald from Massachusetts Institute of Technology (MIT), says one out of every eight deaths is associated with exposure to air pollution. She asks what we can do about bad air and other global environmental risks.
Author: Colette Heald is a Mitsui Career Development Associate Professor at the Massachusetts Institute of Technology.
Image: A pedestrian walks past a beam of sunlight cast through two buildings amid heavy smog. REUTERS/Stringer.
