The binary sunshine is also unusual due to its highly advanced mechanism of bioluminescence. The leaves are modified into enclosed bulbous structures that resemble lamps when they glow. These life forms are able to detect the presence of danger by sensing the emission of volatile stress hormones from living organisms. For the Na’vi, the colors emitted by the glowing leaves signal whether the landscape is calm or danger is near. (Read more)
There is potentially a huge market on Earth for these life forms, which could be used as natural landscape lighting that does not contribute to pollution or global warming. The potential effects on Earth's ecosystem are unknown.