Debunking the 'Heat Only Rises' Claim
A false claim circulating on social media states that atmospheric carbon dioxide cannot warm the Earth's surface because "heat only goes up".
Having reached the air, CO2 no longer has any possible heating effect. Have you forgotten what we learned at school, that heat goes UP??
However, experts argue that this claim defies climate science, as heat is transferred in all directions, including downwards, via radiation. This process allows carbon dioxide (CO2) to warm the planet, and can be observed using scientific instruments.
- Warm air rises, but this does not prevent atmospheric carbon dioxide from warming the Earth's surface.
- CO2 transfers heat in all directions, including downwards, through radiation.
AAP FactCheck confirms that the claim is incorrect, and that CO2 plays a significant role in warming the planet.
Author's summary: Climate science debunks "heat only rises" claim.
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