Ozonelayer vs Greenhouse - What's the difference?

ozonelayer | greenhouse |

As a noun greenhouse is

a building traditionally made of glass, but now also made from plastics such as polyethylene, in which plants are grown more rapidly than outside such a building by the action of heat from the sun, this heat being trapped inside by the glass or plastic.

Chemosphere vs Ozonelayer - What's the difference?

chemosphere | ozonelayer |