key term - Ozone Layer

Definition

The ozone layer is a region in Earth's stratosphere that contains a high concentration of ozone (O3) molecules. It plays a crucial role in absorbing and filtering out most of the sun's harmful ultraviolet (UV) radiation before it reaches the Earth's surface.

Related terms

Stratosphere:

The stratosphere is the second major layer of Earth's atmosphere located above the troposphere and below the mesosphere.

Ozone Depletion:

Ozone depletion refers to the thinning or reduction of the ozone layer due to human-made substances like CFCs.

UV Radiation: UV radiation stands for ultraviolet radiation, which is a type of electromagnetic radiation emitted by the sun that can cause harm to living organisms.