pollution control

10 American Cities With the Worst Drinking Water

Unknown to most Americans, a surprising number of U.S. cities have drinking water with extremely unhealthy levels of chemicals and contaminants. Using data collected from multiple sources for five years by Environmental Working Group, 24/7 Wall St. has compiled this list of the 10 worst.

Where's the Oil From the BP Spill? Look Down Below

Nearly five months since the start of the massive BP oil spill, many questions are still unanswered. More than 200 million gallons of oil were released between April and August. And now a team of marine scientists thinks they know where a large portion of the oil from the BP spill has gone.