Each molecule of carbon dioxide has one carbon atom and two oxygen atoms, so its chemical formula is CO<sub>2</sub>.
Each molecule of carbon dioxide has one carbon atom and two oxygen atoms, so its chemical formula is CO<sub>2</sub>.
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CO2 is one of the so-called "greenhouse" gases. Heat-trapping by CO2 has been observed on Earth and Venus. The extent of its role in the current increase in average global temperatures is a topic of active political, though not scientific, debate.
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CO<sub>2</sub> is one of the so-called "greenhouse" gases. Heat-trapping by CO<sub>2</sub> has been observed on [[Earth]] and [[Venus]]. The extent of its role in the current increase in average global temperatures is a topic of active political, though not scientific, debate.