Air

"The U.S. Environmental Protection Agency will announce plans to propose new rules to significantly decrease emissions of smog-forming nitrogen oxide from diesel-powered heavy-duty trucks, an agency official said."

"A blanket of smog greeted residents of New Delhi on Monday as air quality deteriorated sharply overnight in India's capital, triggering warnings that even healthy people were at risk of health problems."

"Earth’s protective ozone layer is finally healing from damage caused by aerosol sprays and coolants, a new United Nations report said."

"WASHINGTON -- The Environmental Protection Agency has quietly signaled it may allow states to release more ozone air pollution, commonly known as smog, dirtying the air in those states and neighboring ones, but the agency did not review the health impact of such a move.

The Trump administration's position is outlined in a highly technical guidance memo about plans states must create and submit for EPA approval under the Clean Air Act's good neighbor requirements. It was sent in August to EPA regional offices and posted on the agency's website, but not announced to the public.

"What factory farm owners portray as “normal odors” from animal waste can cause serious harm to farmers and the residents who live near these large industrial operations."

"The fires burn constantly in and around Onitsha, a growing city nestled on the banks of the Niger River in southern Nigeria. Each fire is surrounded by its own hellscape of rotting food, mounded rubbish, castoff computers, and slaughterhouse scraps, and the blazes — often fueled with old tires sliced into ribbons — incinerate the city’s waste and send out noxious plumes of smoke laden with dangerously high levels of particulate pollution."

"Air pollution kills an estimated 600,000 children every year and causing symptoms ranging from loss of intelligence to obesity and ear infections but there is a limited amount parents can do, a World Health Organization report said on Monday."

"The United Nations shipping agency pushed back this week on any phased entry for tougher marine fuel rules and further tightened regulations that will come into force in 2020."

"A group of 20 U.S. states and several major cities on Friday urged the Trump administration to abandon a proposal to freeze fuel efficiency standards after 2020 and strip California of the ability to impose its own vehicle emissions rules."