Logo

Logo

Pollution

Top heavy

The slopes are said to be littered with empty oxygen cylinders, discarded tents, food cans and, of course, human waste. And as glaciers melt with global warming, they are revealing the debris of the years gone by.

Current air pollution standards tied to higher heart risks: Study

In January 2023, the EPA announced a proposal to tighten the annual PM2.5 standard by reducing the acceptable level to between 9.0 to 10.0 micrograms per cubic meter. The EPA said it was advising this change because the current standard did not adequately protect public health under the guidelines required by the Clean Air Act.