At least 34 countries have plans, worth a total of $2.25 trillion.
Local-food pioneer Pete Johnson's movable greenhouses have yielded a lettuce harvest in the dead of a Vermont winter.
More access by Red Cross workers is likely, but legal analysts are split on whether the prison camp will be less punitive after an Obama-ordered review.
Readers write about giving FERC more authority to site electrical power lines, why curbing population growth will lead to less greenhouse gas pollution, and the UN's efforts to aid in the Rwanda-Congo crisis.
US output fell 3.8 percent at the end of 2008, but exports slid at a 20 percent rate.