"Mexican copper miner, smelter, and refiner ASARCO must pay more than $163 million to settle U.S. government charges that the company broken the law by releasing hazardous air pollutants, including lead and arsenic, from its primary copper smelter in Hayden, Arizona."

"Smoking would be prohibited in public housing homes nationwide under a proposed federal rule to be announced on Thursday, a move that would affect nearly one million households and open the latest front in the long-running campaign to curb unwanted exposure to secondhand tobacco smoke."

"The Environmental Protection Agency said on Monday that it had discovered emissions-cheating software on more Volkswagen and Audi cars than previously disclosed and, for the first time, also found the illegal software in one of the carmaker’s high-end Porsche models."

"UN weather and climate agency says hole over Antarctica is larger due to colder stratosphere but will shrink again".

"Indonesia is preparing warships as a last resort to evacuate children and others suffering from smoke inhalation from slash-and-burn fires, a minister said on Friday, as the country struggles to contain fires expected to continue for weeks."

"The legal onslaught against the Obama administration's Clean Power Plan kicked off [Friday] as 25 states, industry and labor groups challenged the rule in court."

"As the Obama administration's carbon rules become final, states weigh fighting vs complying. ‘We can’t count on winning the lawsuit,’ one official says."

"JAKARTA, Indonesia – Fires started illegally to clear land for oil palm and acacia pulp plantations in Indonesia are sending thick smoke over the Southeast Asian region, making breathing painful, closing schools, canceling outdoor events and disrupting air traffic."

"The Obama administration announced a set of executive actions and commitments by over a dozen companies to curb the use of super greenhouse gases known as HFCs, which have a global warming potential 10,000 times greater than carbon dioxide."