The global victory over ozone-killing chemicals is coming undone

Mysterious emissions have been slowing the atmosphere's healing. Scientists think they've finally discovered the source.

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Banned ozone-harming gas, once on the rise, declines again

Emissions of CFC-11, which had risen unexpectedly since 2012, appear to have fallen off in the last two years.

Clever scientists catch up with rogue, ozone layer-killing polluters

Detectives have sniffed out a big source of an outlawed, invisible, and odorless gas, currently wafting through Earth's atmosphere.

Ozone hole mystery: China insulating chemical said to be source of rise

A banned chemical used to make household insulation is implicated in damage to the ozone layer.

Ozone and alcohol: Two must-read stories for your week

The news deluge is so constant that sometimes important stories get buried before you have a chance to see 'em. Here are two we saw over the weekend that are worth your time this week.

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In a high-stakes environmental whodunit, many clues point to China

Scientists say new production of a banned industrial chemical is damaging the ozone layer. Investigations by The Times and an independent environmental group lead to factories in China.

Unknown source ramps up ozone-destroying CFC production

Modelling shows CFC decline has slowed – and no one knows why.

Banned ozone-harming gas creeps back, suggesting a mystery source

CFC-11, once commonly used as a refrigerant, has been outlawed for nearly a decade. Scientists suspect it is being produced again, likely in East Asia.
From our Newsroom

The dangerous fringe theory behind the push toward herd immunity: Derrick Z. Jackson

Resumption of normal life in the United States under a herd immunity approach would result in an enormous death toll by all estimates.

My urban nature gem

Thanks to the Clean Water Act and one relentless activist, Georgia's South River may finally stop stinking.

Dust from your old furniture likely contains harmful chemicals—but there’s a solution

Researchers find people's exposure to PFAS and certain flame retardants could be significantly reduced by opting for healthier building materials and furniture.

Hormone-mimicking chemicals harm fish now—and their unexposed offspring later

Fish exposed to harmful contaminants can pass on health issues such as reproductive problems to future generations that had no direct exposure.

How Europe’s wood pellet appetite worsens environmental racism in the US South

An expanding wood pellet market in the Southeast has fallen short of climate and job goals—instead bringing air pollution, noise and reduced biodiversity in majority Black communities.

America re-discovers anti-science in its midst

Fauci, Birx, Redfield & Co. are in the middle of a political food fight. They could learn a lot from environmental scientists.

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