Illinois study proposes circular phosphorus economy for Midwest

The U.S. Midwest produces at least a third of the world's corn and soybean supply each year. Feeding the world requires a lot of fertilizer, mostly in the form of nitrogen and phosphorus. While nitrogen can literally be pulled ...

Trawling is changing seafloor habitats: study

Bottom trawling is dramatically altering the ocean floor and harming habitats, similar to the way that farming has permanently changed the landscape, a study said on Wednesday.

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