Earth Day Week

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Carbon capture

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A way of taking carbon dioxide out of the air and storing it

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What is renewable energy?

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Energy that comes from natural sources that can never run out

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What are greenhouse gases?

Back

Gases that trap heat and contribute to the greenhouse effect

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What is net zero?

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The balance between the amount of greenhouse gas emissions produced and the amount removed from the atmosphere

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What are marginal costs?

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The extra cost of making one more thing

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What are fossil fuels?

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Fuels that come from the remains of plants and animals from millions of years ago

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What is sustainability?

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Doing things in a way that can last a long time without hurting the future

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Hydrocarbons

Back

A class of organic molecules consisting of hydrogen and carbon atoms

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What are biofuels?

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Fuels made from renewable biological sources

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What is carbon footprint?

Back

A measure of the total amount of greenhouse gases emitted by a person, organization, or product