plural of maximum permitted mileage

A system aimed at controlling pollution by allocating each firm a certain amount of pollution permits which allows them to pollute up to a certain limit. If firms pollute less, they are able to sell there permits to firms that pollute more hence creating a permits market.

Alternative form of let nature take its course

Alternative form of let nature take its course

(physics) A property of a dielectric medium that determines the forces that electric charges placed in the medium exert on each other.

plural of permittivity

plural of permittee

(law) One who receives a permit.

Without a permit.

One who permits.