Humanity has 30 years to find out.
Environmentalists warn us that apocalypse awaits. Economists tell us that minimal fixes will get us through. Here's how we can move beyond the impasse.
No matter how much we wish it were otherwise, the economics favor burning fossil fuels.
And the evidence is solid that they are well on their way to changing the world's energy choices.
New technology and a little-known energy source suggest that fossil fuels may not be finite. This would be a miracle—and a nightmare.
The author finds himself in hot water at a Japanese onsen.
Our correspondent flouts the Three Laws of Tourism there— and has a spectacular trip
Why the longevity boom will make us sorry to be alive
From "Homeland Insecurity," by Charles C. Mann
A top expert says America's approach to protecting itself will only make matters worse. Forget "foolproof" technology—we need systems designed to fail smartly
Before it became the New World, the Western Hemisphere was vastly more populous and sophisticated than has been thought—an altogether more salubrious place to live at the time than, say, Europe. New evidence of both the extent of the population and its agricultural advancement leads to a remarkable conjecture: the Amazon rain forest may be largely a human artifact
Rampant music piracy may hurt musicians less than they fear. The real threat—to listeners and, conceivably, democracy itself—is the music industry's reaction to it
A new cost-free and crash-free alternative to Windows and Macintosh operating systems provides freedom at a price
Some corporations want to lock up copyright even tighter. Some naive intellectuals want to abandon copyright altogether. Where is a "do-nothing" Congress now that we need one?
The country is embarking on a huge screening program for prostate cancer which is likely to cost billions and may lead to many unnecessary operations, especially for elderly patients. But what may be bad at the national-policy level could be a lifesaver at the individual level for men in their fifties and early sixties.