[alt text: first, there's text over a happy Albinauric from Elden Ring saying "me when I thought recycling would save the world. second, there's text over a sad/depressed Albinauric from Elden Ring saying "me after I found out that plastic corporations invented plastic recycling to put the responsibility onto the consumer even though they knew plastic recycling was both chemically and financially not feasible, and now I have plastic in my brain, lungs, and testicles".]
What do you do with the reclaimed land?
Here's the best part. You leave it alone and let the marshlands do their thing.