A jar of clean air (Last pure air from Antarctica)
The final bee colony (Key to food chain survival)
1L unpolluted freshwater (From a melted glacier)
A rainforest seed vault (Contains 5000 plant species)
A living coral reef fragment (Survived ocean acidification)
A flock of migratory birds (Know ancient flight paths)
A block of fertile soil (No pesticides, 100% organic)
A wild salmon population (Genetically unmodified)
A natural silence recording (No human noise, 1 hour)
A sunset view license (No smog or light pollution)