80% of the imported vehicles failed to meet minimum safety and environmental standards in exporting countries.
Basic food crops for millions of people worldwide are endangered because of surging ground-level ozone concentration.
The Trump administration on Wednesday made public the federal government's first proposal to control planet-warming pollution from airplanes, but the draft regulation would not push the airlines beyond emissions limits they have set for themselves.
Resumption of normal life in the United States under a herd immunity approach would result in an enormous death toll by all estimates.
Researchers find people's exposure to PFAS and certain flame retardants could be significantly reduced by opting for healthier building materials and furniture.
Fish exposed to harmful contaminants can pass on health issues such as reproductive problems to future generations that had no direct exposure.
An expanding wood pellet market in the Southeast has fallen short of climate and job goals—instead bringing air pollution, noise and reduced biodiversity in majority Black communities.