Although it creates only a slight reduction in the amount of solar energy absorbed by the Earth, solar radiation management should be a part of U.S. climate policy.

The smallest and oldest Air Force in U.S. history needs to get bigger and newer, quickly. Without an Air Force capable of responding to multiple crises around the world—and almost every major conflict in history has played out on more than one front—the Obama administration’s new strategy is a recipe for decline. 

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.

The U.S. will have to deal with a Japan that will be focused inwardly for years.

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.

If a narco-state or violent crackdown emerges in Venezuela, the White House will no longer be able to avert its attention from the mess or to ‘lead from behind.'

Japanese Prime Minister Naoto Kan, who faces the end of his political career, has decided to go out in a blaze of glory. Mr. Kan dramatically announced last month that Japan should end the country's reliance on nuclear power for electricity generation.