Air

"When nearly 200 countries agreed last October to dramatically reduce their reliance on climate change-polluting chemicals called hydrofluorocarbons (HFCs) in air conditioning and refrigeration, the hunt for alternatives was already underway. Now, a new study in the journal Nature Communications that comprehensively explored pure liquid options found only 27 candidates, and problems with all of them."

"President Trump has vowed to roll back regulations on business, and automakers are wasting no time in pushing his administration to make good on the promise."

"Dusty mounds of petroleum coke are gone from Chicago, but federal and city officials discovered a potentially more dangerous type of pollution while investigating the black piles that once towered above the East Side neighborhood."

"A 2015 explosion at the company's refinery near Los Angeles came frighteningly close to releasing a lethal gas into a neighborhood; a ban may result".

"China's smog-hit capital Beijing plans to slash coal consumption by a further 30 percent in 2017 as part of its efforts to combat air pollution, the official Xinhua news agency said late on Sunday, citing the city's mayor."

"With environmental regulations expected to come under heavy fire from the Trump administration, new research offers powerful evidence of a link between air pollution and dementia risk."

"The U.S. Environmental Protection Agency announced it’s keeping vehicle efficiency standards intact through the 2025 model year, shoring up a key piece of President Barack Obama’s environmental legacy against a challenge by the incoming administration."

"The Environmental Protection Agency on Thursday accused Fiat Chrysler of installing secret software that allowed more than 100,000 of its diesel vehicles to emit pollutants above legal levels."