A star political blogger for, David Roberts spent so much time posting and Tweeting and staring at screens that he almost went nuts. So he pulled the plug for a year, restarting his relationship with technology and actively seeking health, balance, and adventure in the real world. What he learned just might save you from meltdown.

The Solyndra solar debacle has some in Congress arguing that government needs to get out of the renewable-power ­business. Don’t tell that to the Marine Corps, the bravest new recruit in the clean-energy revolution.