When it comes to air pollution, there is good news, there is
bad news, and there is reality. The good news is that during
the past three decades, environmental measures and new
technologies have helped reduce air pollution dramatically, by
almost 50 percent. The bad news is that worldwide, the
atmosphere over our cities is still smoggy, more areas are
urbanizing, and the number of cars on the road is increasing.
The reality is that engineers have developed dozens of
creative methods to curb pollution, and although there is no
magic bullet, some combination of these approaches may hold
the answer. In this
slide show, get to know a handful of tools for reducing and preventing
air pollution. To begin, click on the image at left.—Lexi Krock
