Montreal Protocol prevented carbon sink losses: study

In addition to protecting the ozone, the Montreal Protocol also prevented a significant loss of sequestered carbon.

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Toxics

Scientists say plants can show ozone pollution in the air

In addition to all this wildfire smoke, there is also an invisible pollutant called ozone that is making the air quality even worse on the Front Range. You may not be able to see the ozone pollution in the air, but you can see it on plants.

Toxics

By chance, ozone treaty prevented 'scorched Earth' climate

A 1987 treaty to repair a thin layer of ozone in the atmosphere that shields life on Earth from cancer-causing ultraviolet rays probably had the unintended benefit of preventing runaway climate change, even if that danger persists for other reasons, researchers said Wednesday.

Photo by Kait Herzog on Unsplash
Toxics

Colorado's bad air this summer may be the best you'll see

Along Colorado's Front Range, bad air is becoming the summer norm. And while this year's pollution, which data shows is some of the worst in decades, may bother you now, it is relatively benign compared with what scientists project for the future.

Toxics

Chemicals from deodorant, sun block, other fragrant products amount to major air pollution, says NOAA study

Personal care products can generate half or more of the volatile organic compounds -- a primary ingredient in forming ground-level ozone -- in an urban area.
denvergazette.com
Climate

Proposed new rules to curb Colorado commuters rile businesses

The state of Colorado wants all large businesses in the metro Denver area to track what their employees do before and after work when it comes to commuting.
theconversation.com
Climate

Nitrous oxide, a powerful greenhouse gas, is on the rise from ocean dead zones

Nitrous oxide is a potent greenhouse gas, 300 times more powerful than carbon dioxide. Global emissions of N2O are on the rise as a result of human activities — and their impact on ocean ecosystems.
www.nytimes.com
Toxics

Air pollution's invisible toll on your health

Children, pregnant women, the elderly and those with pre-existing heart or lung disease are the most vulnerable.
Justice

A local look at air pollution highlights inequalities within cities

High-resolution data on air quality are helping scientists and community groups understand and address disparities in pollution between neighborhoods.

whyy.org
Toxics

What researchers are learning about air pollution, the pandemic

With the shutdown in spring 2020 came a sharp reduction in traffic and a decrease in nitrogen oxide emissions worldwide — a unique research opportunity.
www.denverpost.com
Toxics

Ozone pollution in Colorado is spiking. Here's what you need to know.

Colorado’s Front Range ground-level ozone air pollution broke the federal health limit this week. Here’s what you need to know this summer.
www.independent.com
Justice

Cannabis grower faces penalties for ‘serious’ air pollution

Diesel generators at two operations west of Buellton spewed toxic exhaust for up to 343 days, authorities say.
www.motherjones.com
Toxics

Caution to the wind

Desperate to reopen and loaded with stimulus cash, schools are spending millions on high-tech purifiers. But are they safe?

www.wired.com
Justice

How many people die when polluters exceed their limits?

A new report tallies the death toll from excess emissions by looking at air pollution and spikes in local ozone levels.
From our Newsroom

Alabama PFAS manufacturing plant creates the climate pollution of 125,000 cars

The manufacturing plant responsible for PFAS-coated fast food packaging pumps out loads of a banned ozone-depleting compound along with "forever chemicals."

LISTEN: EHN's Pittsburgh reporter featured on "We Can Be" podcast

"I believe that true, well-told stories have the power to change the world for good."

Weaponization of water in South Asia

Climate change and unbalanced regional political power are driving an ongoing water crisis in Bangladesh.

Global action on harmful PFAS chemicals is long overdue: Study

"We already know enough about the harm being caused by these very persistent substances to take action to stop all non-essential uses and to limit exposure from legacy contamination."

Ocean plastic pollution

Too much plastic is ending up in the ocean — and making its way back onto our dinner plates.

Pennsylvania vows to regulate PFAS in drinking water—again—but regulations are at least two years away

The chemicals, linked to health problems including cancer and thyroid disease, have contaminated drinking water in Pittsburgh communities like Coraopolis and McKeesport.

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