The new scientific field of planetary health seeks to analyze how humans are influencing the planet, which in turn rebounds to affect humans. The field encompasses more than environmental science and ecology, and helps to explain pandemics and other illnesses, mass migration, food consumption, and other public health factors. Two experts explain.
The effectiveness of efforts to contain coronavirus often depend on governmental policies determined years or even decades ago that, at the time, had nothing to do with public health. A health policy expert discusses some of these policies and what they mean for coronavirus testing and treatment.