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 ...

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

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 ...

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

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 ...

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 ...

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