Is clean air worth the cost? A case study for developing megacities

Once known as the smog capital of the world, Los Angeles is on its way to shedding that reputation. Beijing, take notice! If you grew up in or near a large US city in the 1980s and 90s, you might recall the frequent warnings—especially on hot days—of high ozone (O3) levels. Breathing ground-level ozone—a product of … Continue reading Is clean air worth the cost? A case study for developing megacities