Lisa Jackson said she will step down as head of the U.S. Environmental Protection Agency after four years during which she led the first efforts to curb carbon- dioxide emissions to combat global-warming risks.
As President Barack Obama toured an International Brotherhood of Electrical Workers training center in Pennsylvania on Oct. 11, two television commercials made their debuts on local Pittsburgh stations.
Li Pingri remembers swimming with fish and shrimp as a boy in Guangdong’s Chigang waterway in China. Today, even after the city spent 48.6 billion yuan ($7.2 billion) on a cleanup, he can’t stand the canal’s smell.
President Barack Obama’s proposed carbon-dioxide rules for power plants effectively prohibit new coal power plants, buttressing a shift away from a power source that fueled the Industrial Revolution to cheap natural gas.
The Obama administration will miss a mid-December deadline to set rules limiting greenhouse gases from refineries, after failing to set standards for power-plant emissions and shelving tougher limits for ozone.