In these, electrons appear to be effectively hundreds of times more massive than normal and, equally unusual, the effective electron mass seems to vary strongly as temperature changes. (sciencedaily.com)
These gases are hundreds to thousands of times more powerful than carbon dioxide (CO2) at warming the atmosphere. (ccacoalition.org)
The regulations will emerge after years of activism and scientific studies on the climate risk posed by methane, a powerful greenhouse gas that's dozens of times more potent that carbon dioxide. (insideclimatenews.org)