植树造林

植 = 木 + 直 : James II of England (zh) decided to go straight-edge (直), so he buried all his drugs in a hole in the space station's kitchen (Ø2) and, as a sign for his new beginning, plants (植) a Christmas tree (木) on top of it.

树 = 对 + 木 : Sheldon Shrimp cultivates a Christmas tree in the space station's bathroom. He is very happy that he found the right tree, just the one he imagined, and—in his mind—marks of the tree he imagined with a big green check mark.

造 = 告 + 辶 : Mnemonic symbol: an automated robot arm like the ones used to manufacture cars.

造 = 告 + 辶 : In the aortas bathroom, Zorro sets up a robot arm to manufacture gladiator sandals for him. He also programmed the robot arm to set up a LED display to count how many pairs of sandals it produced.

林 = 木 : Li Qingzhao (li) wants to plant a small forest (林) in the encampment's kitchen ((e)n2). She already put up two Christmas trees (木).