Increasing CO2 levels trap heat through the greenhouse effect, leading to Earth's surface warming.
Increasing levels of CO2 contribute to warming the Earth's surface through the greenhouse effect. Sunlight warms the Earth's surface, and as it emits heat radiation (infrared), CO2 molecules in the atmosphere absorb this energy, trapping heat and leading to a rise in temperature. The more CO2 in the atmosphere, the higher the Earth's surface temperature.
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