This reminds me of the different fungi that "eat oil spills":
https://news.ycombinator.com/item?id=23869741
And the research done by Paul Stamets (I think?)
EDIT: Why do you think that never took off?
https://news.ycombinator.com/item?id=23869741
And the research done by Paul Stamets (I think?)
EDIT: Why do you think that never took off?
Maybe takes a lot of time and no expensive contracts and kickbacks ;)