A research group headed by a geologist from the University of Maryland warns that the influx of salt in streams and rivers is an ‘existential threat.’ The planet’s demand for salt is not without its toll on both ecological systems and human well-being, according to a new scientific review led by Un
A new paper in the journal Nature Reviews Earth & Environment revealed that human activities are making Earth’s air, soil and freshwater saltier, which could pose an “existential threat” if current trends continue. Geologic and hydrologic processes bring salts to Earth’s surface over time, but human activities such as mining and land development are rapidly accelerating this natural “salt cycle.”
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