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What Exactly is Ozone? The Good, the Bad & the Ugly

Breezometer

Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. At the same time, ground-level ozone pollution is extremely harmful to human health. As the complexity of ozone pollution is often misunderstood, let's take a closer look at this particular pollutant.

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Particulate Matter: What Is It, And What Is It Not? | BreezoMeter

Breezometer

Unlike some of the other major air pollutants that affect our health, such as ground-level ozone (O3), nitrogen dioxide (NO 2 ), sulfur dioxide (SO 2 ), and carbon monoxide (CO), particulate matter is the only example that isn’t a gas. But what exactly is PM pollution and how does it affect us? Where does Particulate Matter Come From?

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Smoke & Mirrors: Wildfire Smoke Beyond the Source

HumanNature

What was once a display of the peaceful time of day as the sun spills over the horizon is now synonymous with the atmospheric symptoms of wildfires. Photo credit Jienan Li, Colorado State University Do Orange Skies Spell Demise? The question “ why is the sky orange?

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DEP Invests Over $2.7 Million In Alternative Fuel Transportation Projects To Improve Air Quality & Public Health, Reduce Greenhouse Gas Emissions

PA Environment Daily

The AFIG Program funds projects that replace older gasoline- or diesel-fueled vehicles with cleaner fuel vehicles that helps reduce emissions of carbon monoxide, particulate matter, volatile organic compounds, nitrogen oxides, and carbon dioxide, a principal greenhouse gas.

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Ask a Scientist: Fighting Big Ag Pollution with Maps and Math

Union of Concerned Scientists

SW: Fertilizer companies encourage the industrial agriculture sector to overapply its product, and when all of that synthetic nitrogen-based fertilizer is sprayed on soil, nitrous oxide is emitted into the atmosphere.

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Policy News: April 11, 2022

ESA

This latest report looks at mitigation — or what the world can do to stop pumping greenhouse gases into the atmosphere. Countries will also have to extract carbon dioxide from the atmosphere to keep global warming in check. EPA – Public Meetings of the Clean Air Scientific Advisory Committee Ozone Panel (April 29).

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Identifying the Means to an End: The Role of the Social Cost of Carbon

Arnold Porter

The SCC is a metric that seeks to capture all of the costs that emitting a ton of carbon dioxide (or equivalent amounts of other greenhouse gases such as methane) imposes on society by contributing to climate change over the hundreds of years it remains in the atmosphere. What Are the Key Variables Affecting the SCC Amount?