Asteroid impact enriches certain elements in seawater

Asteroid strikes upset the environment and provide clues via the elements they leave behind. Now, University of Tsukuba researchers have linked elements that are enriched in the Cretaceous–Paleogene (KPg) boundary clays ...

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 ...

Four decades of data sounds early warning on Lake George

Although concentrations of chemicals and pollutants like salt and nutrients have increased in the deep waters of Lake George, they're still too low to harm the ecosystem at those depths, according to an analysis of nearly ...

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 ...

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