Fact Check: Is There Too Little CO₂ in Earth’s Atmosphere to Cause Warming?

Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.

Claimant: Social Media

Claim: There is too little carbon dioxide in Earth’s atmosphere to warm the planet.

Rating: FALSE

Explanation: Science Feedback explains that although CO₂ makes up a small percentage of the atmosphere, it is a highly effective greenhouse gas that traps heat. Human-driven increases in CO₂ and other greenhouse gases are well established as the primary cause of modern global warming.

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Date: 12/13/2025

 

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Last Updated on December 13, 2025 by Media Bias Fact Check

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