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Chemical pollution happens when certain compounds are improperly disposed of. This can affect the environment by disrupting the processes of the ecosystem. Chemical pollution happens when certain compounds are improperly disposed of. This can affect the environment by disrupting the processes of the ecosystem.
Air pollution is broadly defined as the presence in the air of any pollutant (or substance) that directly or indirectly endangers, interferes with, causes damages, degrades or alters human health, animal health, the environment, or ecosystems.