By 2154, humans have severely depleted Earth's natural resources. They found them on Pandora, whose atmosphere is poisonous to humans, is inhabited by the Na'vi, 10-foot tall, blue-skinned, sapient humanoids who live in harmony with nature and worship a mother goddess called Eywa. To explore Pandora's biosphere, scientists use Na'vi-human hybrids called "avatars", operated by genetically matched humans;
