Increasingly sophisticated and “intelligent” technologies now allow us to alter not only day-to-day life but the planet itself. They also invite abuse—and chaos. What can be done?

From genes to geophysics, our world is increasingly what we make it. But environmental philosopher Christopher Preston urges restraint.

If our reliance on technology has accelerated climate change, maybe technology can fix the problem too. Would it work? Should we try it?

Why does America’s Christian Right take such an active interest in how we view and use scientific findings—to the point of creating its own version of science?

Insight Video: More and more people are streaming into the world’s cities, magnifying already serious issues such as pollution, waste management and disease. What should we expect in the coming decades?

Synthetic chemicals have become embedded in all aspects of our lives. What will it take to reverse their toxic effect—on our bodies and on our world?

The food we produce today could adequately feed the world, yet we throw it away by the tons. Not only do millions go hungry as a result, but our wastefulness has a direct environmental impact.

David Hulme interviews Australian science writer and author Julian Cribb about what it will take for the human race to make it through this century.

With the world’s number-one virtual currency so much in the headlines and yet so little understood, it’s a good time to look at its origin, volatile price—and surprising environmental implications.