The Acid Rain Program (ARP) cut sulfur dioxide (SO2) emissions from power plants in the United States, with considerable benefits. We show this also reduced ambient sulfate levels, which lowered agriculture productivity through decreased soil sulfur. Using plant-level SO2 emissions and an...

The two Koreas’ divergent growth and development paths resulting from political-economic or socioeconomic differences eventually have led to differences in environmental and ecological issues, North and South Korea typifying the problems facing poor and advanced countries respectively. Putting...