Here is the full list of all 12 Ecolibrium trophies - there are 7 bronze, 4 silver and 1 gold.
Finish among the top 100 in an Online challenge.
Complete ecosystem challenges 1, 2 and 3.
Create a level 10 alpha creature.
Obtain 20 different tokens.
Colonize 3 ecosystems in free mode.
Complete all the tutorials.
Add 10 plants or fungi.
Add 10 artifacts.
Clone 10 creatures.
Achieve 5 alpha creatures in a single ecosystem.
Achieve a biodiversity of level 8.
Exchange 20 creatures or artifacts in the auction.