Less vs Fewer
Grammar Cheat Sheet
Less
Cities of the future will have less pollution than our cities today.
Cities of the future will have fewer pollution than our cities today.
Is your noun abstract? It is probably uncountable.
E.g. work, food, interest, love, beauty, representationFewer
If something is countable, use FEWER.
Example: There are fewer stairs to climb here.Will cities of the future have less/fewer cars
than our cities today?Cities of the future will have fewer cars than our cities today.
Cities of the future will have less cars than our cities today.
Can your noun by made into a plural form? It is probably countable.
E.g. children, workouts, pairs of shoes, buildings