Air

"After almost a decade of talks, the nations of the world committed Friday to drastically lower emissions of planet-warming gases from the world’s airplanes by 2050, a milestone in efforts to ease the climate effects of a fast-growing sector."

"Online retailing delivers a public health problem. When Truck Season Became All-Year-Round."

"Environmental experts say there’s a strong possibility that a federal bill will be introduced in the U.S. that seeks to strengthen an industry known as “advanced recycling,” or “chemical recycling.” While proponents of advanced recycling tout it as a solution to the ever-growing plastic pollution issue, critics say that it’s not recycling at all, but a highly polluting incineration process that converts plastic into fuel."

"Smoke from wildfires has worsened over the past decade, potentially reversing decades of improvements in Western air quality made under the Clean Air Act, according to research published Thursday from Stanford University."

"The Senate cleared a procedural hurdle Tuesday afternoon before moving to ratify the international climate deal to phase down the use of potent greenhouse gases stemming from refrigerants and air conditioning units."

"A judge has thrown out the air permit for a massive new plastics complex in St. James Parish, telling regulators to start from the beginning."

"Dozens of buildings burned and a major interstate was closed as gusty winds fanned a large wildfire in California’s Sierra Nevada mountains and ignited another blaze nearby, authorities said Tuesday."

"After two years, Brightmark Energy has yet to get the factory up and running. Environmentalists say pyrolysis requires too much energy, emits greenhouse gases and pollutants, and turns plastic waste into new, dirty fossil fuels."