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Gina McCarthy
EPA moves to toughen smog limits
EPA moves to toughen smog limits

The Obama administration announced Wednesday a long-anticipated move to tighten limits on smog-forming pollution, declaring that despite improvements in air quality in Maryland and nationwide, millions of vulnerable adults and children risk illness and even premature death from inhaling currently acceptable levels. "Ground-level ozone or smog is a dangerous pollutant, and it can have very serious consequences on our families' health," Environmental Protection Agency Administrator Gina McCarthy said in unveiling her agency's proposal to reduce the current standard for how much ozone in the air is safe to breathe. The announcement was criticized by industry groups and...