Sanctient

The 

Erect a skyscraper in every major metropolitan city with a population of over a million and utilise the space for capsule hotels. Then provide food, water, shelter, electricity, and internet for free to all its residences. Regulate who stays by instating a educational curriculum similar to Khan Academy.

Build underground cities beneath rural and suburban towns, away from earthquake prone areas, and incentivize the local populations above to move below. Destroy vacant settlements and replant forest in vacant cities.