Soil tested for hidden contaminants in community gardens

This year saw many people rediscovering an interest in gardening, digging in the dirt and maybe even harvesting vegetables from a garden plot. But around the Puget Sound, not all garden soils are created equal. Soil, particularly ...

Global warming makes tropical soils leak carbon dioxide

Tropical forest soil warmed in experiments to levels consistent with end-of-century temperature projections released 55 percent more CO2 than control plots, exposing a previously underestimated source of greenhouse gas emissions, ...

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 ...

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