While it’s sometimes hard to distinguish the crackpot from the consequential, many sober scientists believe that even far-out schemes are worth exploring, considering the alternatives.

The role of cosmic radiation in cloud formation could be very significant, but the climate establishment has ignored it as a factor in climate change-until now.

Finding plasticizers in dust is neither surprising nor necessarily a cause for alarm. Evidence that phthalates cause harm in humans is scientifically thin, and campaigners never directly address that hypothesis.

Two recent experimental drugs demonstrate that new scientific principles are faster becoming superior medicines, but bad government policies threaten to reverse this trend.

The largest machine in history, the Large Hadron Collider, could answer some of the most important unresolved questions in physics; or, it could create a microscopic black hole that would swallow the Earth.

For more than twenty years, policymakers have struggled to find ways to reduce greenhouse gas emissions enough to stop global climate change. Congress is likely to enact federal climate legislation in 2009, but many scientists fear that emissions reductions may not occur quickly enough to prevent significant warming. Some scientists...

While his Climate Fix sounds like yet another exercise in magical thinking, Pielke unloads one heresy after another.

Geoengineering could prove to be a viable solution to global warming.