The land here is white, the river water is extremely poisonous, and magic pollution is rampant. It is a rotten scar forgotten by civilization.
He decided to build a home here where he could live in peace.
His capital is the knowledge in his mind and a mysterious crystal necklace.
Not only does he want to plant waves of wheat on the ruins, but he also wants to build this god-forsaken place into an ark to fight against the decadent old world.
"From today on, this is no longer a place abandoned by gods, but our Emerald Valley."
One sentence summary: Ecologists are re-employed in another world, using science to build magic infrastructure, using infrastructure to fight gods, and creating a green civilization on the ruins!