Bloomberg: Air Pollution Rises in Poorest Cities as Health Risks Climb
“Increasing air pollution in many of the world’s poorest cities is driving up the risk of stroke, heart disease, and lung cancer in some of the most-vulnerable populations, according to a report Thursday from the World Health Organization…” (Ryan/Upadhyay, 5/12).

CNN: WHO: 4 in 5 city dwellers live in overpolluted urban areas
“…New research released Thursday found that air quality levels exceed WHO limits for 80 percent of those living in urban areas that track air pollution, putting people more at risk for respiratory diseases, stroke, heart disease, and lung cancer. Global air pollution also rose eight percent from 2008 to 2013…” (Berlinger, 5/12).

The Guardian: Air pollution health timebomb poses a major threat to development
“…The WHO data show that there is now little or no escape from the plague of poisoned air; people in 98 percent of cities in low- and middle-income countries with more than 100,000 inhabitants are breathing air with pollution levels that exceed WHO minimum safety guidelines. That figure is almost halved in high-income countries, where the figure is 56 percent…” (Vidal, 5/12).

New York Times: Europe Trails U.S. in Cutting Air Pollution, WHO Says
“…Lower levels of pollution were far more prevalent in North America and higher-income European countries than in most other places, especially countries like India, Pakistan, and China. But in Europe, a higher percentage of cities exceeded the limits set by the WHO than in North America…” (Goode, 5/12).