Sustainability Flashcard

Front

What is sustainability?

Back

The practice of using natural resources responsibly.

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What are renewable energy sources?

Back

Energy sources that are replenished naturally, such as solar, wind, and hydroelectric power.

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Why is responsible use of water resources important for sustainability?

Back

To ensure availability for future generations.

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What percentage of Earth's land mass was covered by forests in 2015?

Back

30%.

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What is the expected world population by the year 2050?

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9.8 billion.

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What are fossil fuels?

Back

Natural substances formed from the remains of ancient plants and animals, used as energy sources.

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What is renewable energy?

Back

Energy that comes from resources that are naturally replenished.

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Why is biodiversity important for sustainability?

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It helps ecosystems function effectively and provides resources for food, medicine, and clean air.

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What is the greenhouse effect?

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The warming of Earth’s surface due to trapped heat from greenhouse gases.

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What are some examples of renewable energy sources?

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Solar energy, wind energy, hydroelectric energy, and geothermal energy.