If CO₂ Is Only 0.04% of the Atmosphere, Why the Panic? We take a closer look at one of the most repeated claims in modern climate politics: that carbon dioxide is destroying the planet. Yet CO₂ makes up only 0.04% of Earth’s atmosphere — a tiny fraction. This raises an obvious question: how can something so small be the driving force behind global climate catastrophe narratives? While climate change is a complex issue, many argue that policymakers and activists have exaggerated the threat, pushi