The Mask: Animated Series (1995)

S2E2 Goin' for the Green

The mayor of Edge City enlists a businessman to divert focus away from the Mask's antics. Seizing the chance, the businessman exploits this distraction to secretly dump nuclear waste in the city. As the situation unfolds, the consequences of his actions threaten the safety of the community, raising the stakes for both the mayor and the Mask, who must confront the looming disaster.