clean energy

Pollution-free electricity source

Clean energy is power generated from sources that produce little or no pollution or greenhouse gas emissions—solar, wind, hydroelectric, nuclear, and geothermal.

The term often overlaps with renewable energy, though nuclear qualifies as clean but not renewable.

The country is investing heavily in clean energy.

Also called green energy.

Opposites
environmental impact

clean energydirty energy

fossil fuels · coal power · coal · oil · petroleum

Family

clean, energy

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Top 100,000
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Known to kids · Used worldwide · Timeless · Positive · Everyday, not technical · Rated G