Researchers often observe ethylene gas in oxygen-poor environments such as certain types of soil. For decades, scientists have known that ethylene comes from microbes. But the only known natural ...

The US Environmental Protection Agency on Tuesday proposed a set of new restrictions on facilities that use the cancer-causing chemical ethylene oxide, a colorless, odorless gas that is used to ...

Exemption allows facilities using ethylene oxide, a gas linked to health problems in humans, 2 more years to meet federal standards. A Georgia Department of Natural Resources’ Environmental Protection ...

New limits on emissions of ethylene oxide are pitting public health advocates against makers of medical devices. By Lisa Friedman The Environmental Protection Agency is imposing new restrictions on ...