Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association assessment says.
Tag: Ozone
A Chemical-Sniffing Van Shows How Heat Amps Up Pollution
In heat waves, chemicals like formaldehyde and ozone can form more readily in the air, according to researchers driving mobile labs in New York City this week.
Richard Benedick, Negotiator of Landmark Ozone Treaty, Dies at 88
He played a key role in securing the Montreal Protocol, an international environmental pact to protect the ozone layer by reducing the use of certain chemicals.
Polluted Flowers Smell Less Sweet to Pollinators, Study Finds
The research, involving primroses and hawk moths, suggests that air pollution could be interfering with plant reproduction.
Restoration of the Ozone Layer Is Back on Track, Scientists Say
Rogue emissions from China of ozone-depleting chemicals had threatened to delay recovery by a decade. But the emissions were stopped, according to a U.N.-backed report.
China’s Emissions of Ozone-Harming Gas Are Declining, Studies Find
New research confirms that emissions from China of CFC-11, a banned gas that harms Earth’s ozone layer, have fallen sharply, reversing a dangerous spike.
Mario Molina, 77, Dies; Sounded an Alarm on the Ozone Layer
He shared the Nobel Prize in Chemistry for research that showed how chemicals in hair spray and other products could cause grave environmental damage.
Study Pinpoints Source of Banned Gas That Saps Ozone Layer: Eastern China
An international team of researchers said Wednesday that two provinces in China were the source of most of the emissions of a banned gas that harms the ozone layer.