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

Thanks to evolution, our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why, then, do health costs continue to climb at unsustainable and frightening rates?

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.

Birds are, especially canaries, are super sensitive to hydrogen sulfide and sour gas.

The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

You are what you do, not what you say.

Canada, more than any nation, will be affected by rising sea levels from global warming.