Lawyers for Perdue, which owned the chickens, and the Hudson family said chicken manure wasn't getting out in great enough amounts to pollute, and farmer Alan Hudson testified that he took steps to avoid pollution and to keep the manure in chicken houses.

WSJ: Environmental group won't appeal pollution case

Because of the smoke, ash and winds, people in affected areas were urged to be cautious and to avoid unnecessary outdoor activities, the Ventura County Air Pollution Control District said.

CNN: Fire rages in California even as winds die down

But the Bush administration announced yesterday new rules for the program that make it easier for plants to avoid installing pollution controls.

NPR: EPA Proposal Eases Rules on Pollution Controls

You will end up with less gasoline than you paid for, and that would also contribute to the air pollution problem that summer gasoline was designed to avoid.

FORBES: Why Spring Means Higher Gasoline Prices

But noise pollution might severely affect the distribution of fish, and their ability to reproduce, communicate and avoid predators.

BBC: Earth News - 'Noise pollution' threatens fish