Study examines how clean air act affects municipal bond market

Research has studied the effects of climate risk on financial markets, but few studies have addressed the effect of environmental policy on those markets. A new study examined whether federal policy aimed at mitigating local ...

Forest soils recovering from effects of acid rain

Before the United States 1970 Clean Air Act, rainfall all over the country was acidic. As precipitation would fall from the sky, it would mix with gases from industrial plants, emissions from cars, and especially coal and ...

EPA moves from air to water in its criticism of California

The Trump administration warned California officials Thursday that the state is "failing" to meet federal water quality standards, the latest move in the president's escalating political feud with the state's liberal leaders.

Pollution controls help red spruce rebound from acid rain

The gray trunks of red spruce trees killed by acid rain once heavily scarred the mountain forests of the Northeast. Now those forests are mostly green, with the crowns of red spruce peeking out of the canopy and saplings ...

California has worst US air pollution: report

California has the most polluted cities in the United States, a report issued on Wednesday said, as President Donald Trump's administration seeks to force the state to weaken its vehicle emissions standards.

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