It's Time for a Low-Salt Diet:A salty solution to winter ice is hurting nature's health—but you can help solve the problem

摘要

If you have high blood pressure, your doctor may recommend lowering your salt intake. Likewise, a high-salt diet in the environment can put serious stress on gardens, forests and streams. Unfortunately, when snowflakes pile up outdoors, people and communities are all too quick to throw salt on sidewalks and streets—with dangerous consequences for nature.