The population seems to have collapsed due to over exploitation and marine pollution.

There are currently no Federal controls over such pollution, except for emissions of solid particles.

Another allows states to sue each other over windblown pollution.

With such a wide public discussion the degree of concern among the Milan citizens over environmental pollution is evident.

Under their rule, the planet succumbed to rapid over development and pollution.

If the fish were to become endangered it would most likely be due to over fishing or pollution.

The first, he said, was the familiar conflict with governments and environmentalists over pollution.

The dispute over particulate pollution has been playing out for years in Utah.

It has been the target of numerous lawsuits over noise and pollution.

Woodbridge began fighting the city in court over pollution eight years ago.