Latest Pollution in the United States Stories
In the first such case on record, the U.S. Environmental Protection Agency (EPA) claims that it has discovered synthetic chemicals associated with natural gas fracking in a Wyoming aquifer. Some thirty percent of the U.S. domestic supply of natural gas is obtained by hydraulic fracturing, an extraction technique that uses millions of gallons of a solution of water and chemicals to break open underground rock and release trapped gas. EPA experts say that some of these chemicals, including...
Authors of AJPM article urge physicians and medical societies to advocate against efforts in Congress to weaken clean air laws Efforts by some in Congress to dismantle clean air laws are a threat to public health, experts warn in a "Current Issues" article published online today in the American Journal of Preventive Medicine. "It is well accepted that air pollution has a deleterious impact on personal and public health," write authors Joshua Lipsman, MD, JD, MPH, Immediate Past...
- A Roman unit of weight, 1⁄1728 of a pound.
- A weight of four grains used in weighing gold and precious stones; a carat.
- In anatomy, a formation suggesting a husk or pod.
- The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
- A coin of base silver of the Gothic and Lombard kings of Italy.