air pollution New EPA report shows a recent decline in clean air quality Thom Dunn

zero emissions by 2025 The EPA has released the first ever pollution regulations for airplanes…but they don't do anything. Thom Dunn

buzzkill Buzzkill alert: The thousands of illegal fireworks over L.A. cause air pollution Rusty Blazenhoff

respirators Colorful children's respirators make breathing poisoned air fun Andrea James