On the other hand, there are some things that have to do with genetic engineering of a bacterium and things like that, which have potential. There have been a lot of bad examples of natural enemies being released, but there also have been some cases of things working. There are some techniques that have to do with soil bacteria and things like that released to control mosquitos. They're working on something like that for zebra mussels, as well.
On April 29th, 2019. See this statement in context.