As Minnesota prepares for a return to wintery weather this week, most of us will rely on a crucial tool to clear the roads and sidewalks: salt. It is estimated that we toss more than 350,000 tons ...

and high chloride levels harm aquatic life such as fish, bugs, and amphibians. Excess salt also accumulates on roadsides, killing plants and harming wildlife that ingest it. Deer and moose ...

The white granules are chemically ideal for melting snow and ice to clear surfaces, but they also flow into and pollute nearby waterways, which threatens the health of lakes and streams and degrades ...

On page 324 of this issue, Osthoff and colleagues 1 report measurements of very high levels of nitryl chloride in the air over the coastal ocean, with implications for air quality in polluted ...