Pollution Review

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What is pollution?

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Pollution is the introduction of harmful substances or products into the environment, causing adverse effects on living organisms and the ecosystem.

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What are genetically modified organisms (GMOs)?

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GMOs are organisms whose genetic material has been altered using genetic engineering techniques to exhibit desired traits, such as increased yield or resistance to pests.

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What is a primary pollutant?

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A primary pollutant is a pollutant that is emitted directly from a source into the air, such as carbon monoxide from vehicles.

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What is a secondary pollutant?

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A secondary pollutant is not emitted directly; it forms in the atmosphere through chemical reactions between primary pollutants and other substances.

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What is point source pollution?

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Point source pollution refers to contaminants that enter the environment from a single, identifiable source, such as a factory smokestack.

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What is non-point source pollution?

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Non-point source pollution comes from multiple, diffuse sources, making it harder to identify and control, such as runoff from agricultural fields.

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What is air pollution?

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Air pollution is the presence of harmful substances in the atmosphere, which can affect human health, wildlife, and the climate.

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What are some common sources of air pollution?

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Common sources include vehicle emissions, industrial discharges, burning fossil fuels, and natural events like wildfires.

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What is the impact of pollution on human health?

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

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What is environmental sustainability?

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Environmental sustainability is the responsible management of resources to prevent depletion and maintain ecological balance for future generations.