Air Pollution & Climate Change Review

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What is air pollution?

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Air pollution refers to the presence of harmful substances in the atmosphere, which can have adverse effects on human health, the environment, and the climate.

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What are the main causes of air pollution?

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Main causes include vehicle emissions, industrial discharges, burning fossil fuels, and agricultural activities.

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What is global warming?

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Global warming is the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases like carbon dioxide.

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What is the greenhouse effect?

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The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, preventing it from escaping into space and thus warming the planet.

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What is acid rain?

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Acid rain is precipitation that contains high levels of sulfuric and nitric acids, often resulting from industrial emissions, which can harm ecosystems and structures.

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What is ozone depletion?

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Ozone depletion refers to the reduction of the ozone layer in the stratosphere, primarily caused by chlorofluorocarbons (CFCs) and other ozone-depleting substances.

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What is El Niño?

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El Niño is a climate pattern characterized by the warming of ocean surface temperatures in the central and eastern Pacific Ocean, affecting global weather patterns.

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What are the effects of El Niño on weather?

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El Niño can lead to increased rainfall in some regions, droughts in others, and can disrupt normal weather patterns globally.

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What is the relationship between air pollution and health?

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Air pollution can lead to respiratory diseases, cardiovascular problems, and other health issues, particularly in vulnerable populations.

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What are some policies to reduce air pollution?

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Policies include emissions regulations, promoting renewable energy, improving public transportation, and encouraging energy efficiency.