World phosphorous use crosses critical threshold

MADISON — Recalculating the global use of phosphorous, a fertilizer linchpin of modern agriculture, a team of researchers warns that the world’s stocks may soon be in short supply and that overuse in the industrialized world has become a leading …

A river ran through it

Rivers and streams supply the lifeblood to ecosystems across the globe, providing water for drinking and irrigation for humans as well as a wide array of life forms from single-celled organisms up to the fish humans eat.
But humans and natur…

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