Posts tagged with 'WRI Governance Center'
High up in the stratosphere, naturally occurring ozone reflects solar radiation back into space, protecting people and the planet from harmful ultraviolet rays. But closer to Earth’s surface, rising ozone levels – formed when pollutants from a wide range of sources react ...
Solving the world’s air pollution problems is not going to be easy. Ninety-eight percent of cities in low- and middle-income countries with more than 100,000 inhabitants do not meet World Health Organization air quality guidelines for PM2.5. In total, 95 ...
