Pittsburgh Post-Gazette: When pollution is no longer free

In economics, pollution is a market failure. If businesses have a free hand to foul the air, sully the land and contaminate the water, the true costs of production are not factored into the price of the goods or services. These costs are borne by people in the form of ill health, by watersheds in the form of unswimmable and unfishable waters, and by a rapidly warming climate. Read more…