Greenhouse Effect - GCSE Chemistry Definition

The Greenhouse Effect is a natural process where certain gases in the Earth's atmosphere, like carbon dioxide and methane, trap heat from the Sun. Normally, the Sun's energy reaches the Earth and some of it is reflected into space. However, greenhouse gases absorb and re-emit some of this energy (infrared radiation) as heat, keeping the Earth warm enough to support life. Without the Greenhouse Effect, our planet would be too cold. However, human activities, like burning fossil fuels, are increasing the amount of these gases and making the Earth warmer, which can lead to global warming.