There are multiple definitions - click on the translation that matches your context.

Zustandsstörer

Substantiv

full

polluter

noun

Comparative law notes

Best word choice in an environmental context.

Definitions of polluter

a person, institution, group, or country etc that pollutes (=makes air, water, earth, or some other substance dirty or harmful to people, animals, and plants by adding or releasing something poisonous). NB the polluting substances are known as pollutants.

Australia is the developed world's worst polluter per head of population.