Environmental Challenges

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Affluenza

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A social condition resulting from excessive consumption and materialism.

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Anthropogenic

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Caused or influenced by human activities.

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Biodiversity

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The variety of life in all forms, levels, and combinations.

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Natural Capital

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Earth's stock of natural resources and ecosystem services.

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Natural Resource

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Materials or substances occurring in nature that are used by humans.

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Natural Service

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Processes provided by ecosystems, like pollination and water purification.

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Rule of 70

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A formula to estimate population doubling time (70 ÷ growth rate).

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Sustainable Yield

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The level of resource use that allows it to replenish naturally.