President Trump's EPA administrator aims to roll back environmental protections in an effort to reduce the agency's spending.

Exposure to air pollution in early life could have lasting effects on child development and mental health in adolescence, ...

After the gas is released into the atmosphere ... Problems in pregnancy Women exposed to air pollution before getting pregnant are nearly 20 per cent more likely to have babies with birth ...

The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy.