Front

What is the Montreal Protocol?

Back

An international treaty designed to protect the ozone layer by phasing out substances responsible for ozone depletion.

Front

What are particulate matter?

Back

Air pollutants that include dust, ash, and pollen, which can harm human health and the environment.

Front

What health risk is associated with exposure to radon gas?

Back

Lung cancer.

Front

What is carbon monoxide?

Back

A colorless, odorless gas that can be harmful when inhaled in large amounts.

Front

Where is radon typically found in a home?

Back

In the basement.

Front

What is ground-level ozone?

Back

A harmful air pollutant formed by the reaction of sunlight with pollutants such as volatile organic compounds (VOCs) and nitrogen oxides.

Front

What are nitrogen oxides?

Back

Gases produced from burning fossil fuels, which contribute to air pollution and respiratory problems.

Front

What is the Kyoto Protocol?

Back

An international agreement that commits its parties to reduce greenhouse gas emissions.

Front

What is the primary source of sulfur dioxide?

Back

Burning fossil fuels, especially coal and oil.

Front

What is the significance of air quality index (AQI)?

Back

A measure used to communicate how polluted the air currently is or how polluted it is forecast to become.