Above the troposphere, Earth’s innermost layer ... While oxygen molecules don’t absorb UV radiation, ozone molecules do. Specifically, they absorb UVB, a short-wavelength form of UV light ...

Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays.

Tropospheric ozone levels may increase by 40–60% by 2100 (IPCC, 2007). (Approximate contribution to global warming: 13%; Hansen & Sato 2001). Molecules of carbon atoms bound to chlorine and ...

These occur mostly in the thermosphere where the sun’s energetic electrons collide with molecules and ... jet streams – drag the ozone layer into the troposphere region. This is why people ...