We still think of air as free. But clean air is not free, and neither is clean water. The price tag on pollution control is high. Through our years of past carelessness we incurred a debt to nature, and now that debt is being called.
![We still think of air as free. But clean air is not We still think of air as free. But clean air is not Image](https://www.idlehearts.com/images/we-still-think-of-air-as-free-but-clean-air-is-not.jpg?x85372)
We still think of air as free. But clean air is not free, and neither is clean water. The price tag on pollution control is high. Through our years of past carelessness we incurred a debt to nature, and now that debt is being called.