Full story - June 13, 2008
It's been an intractable problem - the dirtiest diesel trucks are often owned by drivers who can't afford to replace or even maintain them. But the Sea Port of Los Angeles thinks it has a solution. Living on Earth's Ingrid Lobet reports.
Full story - March 13, 2009
One geologist thinks he has the answer for storing massive amounts of carbon dioxide: turn it into the stuff of seashells. The idea is to use a rock found in the Earth that absorbs the greenhouse gas. On Living on Earth.
Full story - February 20, 2009
The U.S. recycles almost all car batteries, but that's not true in many developing countries. Sifting through waste to retrieve lead is a major source of income, and lead exposure, for many people in poorer countries. Living on Earth reports.
Full story - October 15, 2010
Entrepreneurs who want bring offshore wind farms to the United States are facing staunch opposition and difficult economic calculations.