The United States cut its energy-related carbon dioxide pollution by 3.8 percent last year, the second biggest drop since 1990, the Department of Energy said Monday.
The only recent year with a bigger percentage drop was in 2009, when America was in a large recession. It is the lowest level for U.S. emissions since 1994. Carbon dioxide, spewed from cars and factories, is the chief man-made global warming gas.
(READ the AP story from ABC News)
Photo by McKinley Corbley