Causes Photo by Robert Linder on Unsplash Philly toxic air pollution: What you need to know Philadelphia limits toxic air pollutants like lead and formaldehyde. A policy revision expands the list, but critics say it doesn't go far enough.
Impactscommons.wikimedia.org Joseph Otis Minott: EPA’s proposals on methane need strengthening Every summer doesn’t have to be hotter and wetter than the last, but without EPA adopting strong and comprehensive federal methane rules for the oil and gas industry, the cycle will continue.
