The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere trap energy from the sun. Without these gases, heat would escape back into space and Earth's average temperature would become way colder. Because of how they warm our world, these gases are referred to as greenhouse gases.
"Greenhouse gases in the atmosphere are pretty muh like glass panels in a greenhouse. Sunlight enters the Earth's atmosphere, passing through the blanket of greenhouse gases. As it reaches the Earth's surface, land, water, and biosphere absorb the sunlight's energy. After it's absorbed, the energy is sent back into the atmosphere. Some of the energy passes back into space, but much of it remains trapped in the atmosphere by the greenhouse gases, causing the Earth to heat up."
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