1971's Aquaman #56 dealt with the trouble of American lake pollution. 1 / 10
Lake Erie was so polluted that the Cuyahoga River caught fire in 1969! 2 / 10
The pollution was also causing algae to grow out of control. 3 / 10
In this comic, Detroit is attacked by overrun algae from Lake Erie. 4 / 10
The book promises Aquaman fighting algae creatures, but that doesn't happen. 5 / 10
Instead, we meet a Detroit superhero named Crusader, who has been around for awhile. 6 / 10
The algae is fueled by a satellite designed to keep Detroit sunny all day long! 7 / 10
Aquaman saves a young girl from being devoured by the overrun algae. 8 / 10
Crusader dies. The satellite was for him, since he couldn't see well anymore. 9 / 10
Aquaman then destroys the satellite, thus quelling the algae threat. 10 / 10