7 abril 2015
The gases used to knock out surgery patients are accumulating in the Earth’s atmosphere, where they make a small contribution to climate change, report scientists who have detected the compounds as far afield as Antarctica. Like the well-known climate warmer carbon dioxide, anesthesia gases allow the atmosphere to store more energy from the Sun. But unlike carbon dioxide, the medical gases are extra potent in their greenhouse-gas effects, scientists say.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9C-0l1owmvY/150407124229.htm
