Players take 1 or 2 actions each turn, or pass. Play proceeds clockwise around the table until all players have passed. The actions may be combined in any way the player chooses. The available actions are:
A) Play a card from your hand.
B) Use a standard project.
C) Claim a milestone.
D) Fund an award.
E) Use the action on a blue card.
F) Convert 8 plants into a greenery tile (which gives an oxygen increase) as described on the player board.
G) Convert 8 heat into a temperature increase as described on the player board.