Water vapor amplifies effects of other greenhouse gases

Ask NASA explains greenhouse gases’ roles & properties. Because water vapor condenses into water, it amplifies warming effects of other gases

by Alan Buis 08/02/2022 in Ask NASA Climate
Steamy Relationships: How Atmospheric Water Vapor Supercharges Earth’s Greenhouse Effect: Some people mistakenly believe water vapor is the main driver of Earth’s current warming. But increased water vapor doesn’t cause human-produced global warming. Instead, it’s a consequence of it. Increased water vapor in the atmosphere supercharges the warming caused by other greenhouse gases.

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