Union of Concerned Scientists

SEPTEMBER 26, 2024

Since global and local pollutants are often byproducts of the same activities, mitigation policies for global warming emissions have the potential to simultaneously mitigate local air pollution 2. One good example of the nexus between global warming and local pollution is ground-level ozone.

Ground-Level Ozone

Columbia Climate Law

DECEMBER 2, 2019

Methane also contributes to the formation of ground-level ozone which is itself a heat-trapping greenhouse gas and, when inhaled by humans, can trigger a variety of health problems from throat irritation and coughing to bronchitis, asthma, and reduced lung function.

Regulations

Union of Concerned Scientists

OCTOBER 12, 2023

Despite clear recommendations from its own science advisors, the US Environmental Protection Agency (EPA) announced over the summer that it will delay its scheduled process to consider strengthening public health standards for ground-level ozone pollution. The stakes over ground-level ozone standard are high.

Ozone

Union of Concerned Scientists

MAY 17, 2023

Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. Here’s how the process is supposed to work.

Ozone