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Human Population Growth

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The global human population has been growing rapidly, currently exceeding 8 billion.

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Anthropogenic

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Human-caused or resulting from human activity.

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Climate Change

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Climate change is primarily caused by human activities, particularly the burning of fossil fuels.

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Biodiversity

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Biodiversity is the variety of life in an ecosystem.

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Extinction

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Extinction is the permanent loss of a species.

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Carrying Capacity

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The maximum number of individuals of a species that an environment can support sustainably.

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Ecosystem Services

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The benefits that humans derive from ecosystems, including provisioning, regulating, cultural, and supporting services.

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Invasive Species

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Species that are non-native to an ecosystem and whose introduction causes harm to the environment, economy, or human health.

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Sustainable Development

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Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

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Food Web

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A complex network of feeding relationships among organisms in an ecosystem.