Over and over, we hear politicians say they can't spend our tax dollars on environmental protection when the economy is so fragile.

Rapid population growth and technological innovation, combined with our lack of understanding about how the natural systems of which we are a part work, have created a mess.

Just as human activity is upsetting Earth's carbon cycle, our actions are altering the water cycle.

Water is our most precious resource, but we waste it, just as we waste other resources, including oil and gas.

If we continue to set human borders and the economy as our highest priorities, we will never come to grips with the destructiveness of our activities and institutions.

If we humans are good at anything, it’s thinking we’ve got a terrific idea and going for it without acknowledging the potential consequences or our own ignorance.

We all live downstream