The greenhouse effect is the process by which all gases in Earth’s atmosphere trap heat and keep the planet warm.

Greenhouse gases are gases in the atmosphere that allow Earth to maintain a temperature suitable for life.

Carbon dioxide (CO₂), methane (CH₄), and water vapor (H₂O) are examples of major greenhouse gases found in Earth’s atmosphere.

In the greenhouse effect process, heat from the Sun enters Earth’s atmosphere, and some of it is trapped by greenhouse gases instead of escaping into space.

The natural greenhouse effect is always important because it helps maintain Earth’s temperature and supports life on the planet.