As humans we’d like to control our global environment. But as that environment increasingly suffers at our hand, who will control the controller?

That we affect our environment in various ways is beyond debate, but can we alter the planet and its systems to reverse current trends and avert an impending catastrophe, or do we overestimate our power?

The “greenhouse effect” is the natural capacity of our atmosphere to reflect and absorb heat.

We’re losing topsoil at an astonishing rate around the world. Can this lead to the end of agriculture?

Are we future-positive or future-negative? When we look out at the world today, the question of what will happen next is not easy to answer.

Earth’s geological record attests to mass extinctions that have taken place over the ages. But since the advent of the nuclear age, we can bring about our own extinction. Will we cross that line?

The separation of religion and science occurred very recently. For millennia the orthodox view was that the physical world did not stand apart from God.

What happens to eyesight when you live in darkness? A tiny fish serves as a metaphor for the material-spiritual divide that has set science and religion at odds with one another.

Despite recent positive changes in some of the world’s enormous fisheries, problems of overfishing and habitat destruction remain very real threats to marine resources.

Jacques Cousteau was willing to go to whatever lengths were necessary to protect the seas.