The gases, the agency says, contribute to air pollution and may endanger public health or welfare.

BBC: Obama diary: Days 81-90

The pursuit of those sites that endanger public health is also a positive move by our leaders and will protect the American public.

FORBES: The Case For The PROTECT IP Act And DNS Filtering

The law mandates that the EPA shall regulate any pollutant from motor vehicles or power plants that may reasonably be anticipated to endanger public health or welfare.

NPR: Supreme Court Hears Global Warming Arguments

It concluded it would lead to an increase in flooding, and would endanger water quality and public health.

ECONOMIST: The poor pay for a property boom