word
Greenhouse Effect
GREEN-hows ih-FEKT
/ˈɡriːnhaʊs ɪˈfɛkt/Listen
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Syllable breakdown
greenhouseeffect
Dictionary meaning
Natural process where atmospheric gases trap heat, warming the planet — without it Earth would average -18°C instead of +15°C; enhanced greenhouse effect (human emissions) is causing climate change; CO₂, methane, nitrous oxide, and water vapor are greenhouse gases; Svante Arrhenius predicted in 1896 that doubling CO₂ would raise temperatures 5-6°C
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