how to make a perfect world or save the world: replace all taxation with ground rents.
How one person
can save the world
Step 1: Join a political party.
Step 2: Help them understand how ground rent benefits voters.
Step 3: Google "Georgist economists". Get them talking to your party.
All you need are
networking skills
and vision.
Step 4: Their job is to find the easiest taxes to replace with ground rent. That is, where everybody benefits. If they have to buy off landowners, just do it.
Step 5: Repeat step 4 until the change is complete.