By Barbara Kessler
Green Right Now
You know those smoggy, hazy days when you look toward downtown to find the skyscrapers obscured behind a ripply, gray veil? What horrible pollution, you think. And it may be.
But watch out, those other days when the skyscrapers blaze brightly under clear blue skies may be deceptively hazardous to your health as well, or maybe more so.
