En-en adult card 13 additional greenhouse effect

Card #13: Additional Greenhouse Effect

Causes		Consequences
Other GHGs Concentration of CO2		Radiative Forcing

The greenhouse effect is a natural phenomenon – and incidentally, the first of the GHGs is water vapor.
Without greenhouse effect, the planet would be 33°C colder and life as we know it would not be possible.
But CO₂ and other GHGs related to human activity increase the natural greenhouse effect and unbalance the climate.

Explanation

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