Acid rain is precipitation that contains harmful acids formed from air pollution, and it can damage ecosystems, structures, ...

A virtual tree graveyard of Norway spruce in Poland bears the scars of acid rain. Caused when rain droplets absorb air pollution like sulfur and nitrogen oxides, acid rain weakens trees by ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it ...

Sulfur pollution is primarily released into the air by burning coal. It contributes to acid rain, threatening vulnerable aquatic plants and wildlife, and increases plant mortality and reproductive ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it turned ...

Air pollution harms crops, forests, and biodiversity. Pollutants like ozone reduce crop yields and make plants less resilient, threatening food security. Acid rain, caused by pollutants like ...

The Delaware City Refinery continues to release a toxic air pollutant outside the limits of its permit, more than a week ...

Though true "acid rain" is not yet a major threat ... particularly in the industrial and urban areas with high air pollution.