Here is the full list of all 28 Eco achievements.
Minted First Currency.
Create a piece of artwork that generates 5 culture.
Create 10 culture.
Create your first culture.
Create a piece of artwork that generates 1000 culture.
Create a piece of artwork that generates 50 culture.
Become the top ranked cultural creator when at least 10 citizens have created any culture
Create 50 culture.
Create 200 culture.
Create 1000 culture.
Completed first contract.
Paid 1000 currency in taxes in backing-item value.