Here is the full list of all 12 From Dust achievements worth 200 gamerscore. It takes around 10-12 hours to unlock all of the achievements on Xbox 360.
Complete every challenge
Complete all challenges, all territories, the Memory of the tribe and cover each map with vegetation
Create a sanctuary for the tribe
Finish the story mode without losing more than 5 villages
Cover each territory with vegetation
Complete the Memory of the tribe
Complete the Movements territory
Use the powers of the Breath 100 times
Absorb a massive amount of lava during the game
Uproot and replant 100 trees during the game
Complete the Wildfire territory
Create the Breath of the elements