Air Pollution Flashcard

Front

What are primary air pollutants?

Back

Substances directly released into the atmosphere from a source.

Front

What does 'nonattainment' refer to in the context of air quality?

Back

Areas exceeding air quality standards.

Front

What was the purpose of the Clean Air Act of 1970?

Back

To set national air quality standards.

Front

What is a major threat to biodiversity?

Back

Air pollution.

Front

Which agency is responsible for monitoring and regulating air quality in the United States?

Back

Environmental Protection Agency (EPA).

Front

What are secondary air pollutants?

Back

Pollutants formed by chemical reactions in the atmosphere.

Front

What is the main source of sulfur dioxide (SO2) in the atmosphere?

Back

Burning fossil fuels.

Front

What is the significance of the National Ambient Air Quality Standards (NAAQS)?

Back

They set limits on specific air pollutants to protect public health and the environment.

Front

What is the greenhouse effect?

Back

The warming of the Earth's surface due to trapped heat from greenhouse gases.

Front

What are volatile organic compounds (VOCs)?

Back

Organic chemicals that can evaporate into the air and contribute to air pollution.