Final answer:
ODP measures the harmful impact on the ozone layer, while GWP measures the warming effect on the climate.
Step-by-step explanation:
The difference between ODP (Ozone Depletion Potential) and GWP (Global Warming Potential) lies in their effects on the environment and their metrics for measurement. ODP refers to the ability of a substance to destroy the ozone layer in the stratosphere, while GWP measures the potential of a greenhouse gas to contribute to global warming over a given timeframe. A higher ODP signifies a substance that is more harmful to the ozone layer, while a higher GWP indicates a substance with a stronger warming effect.