The Walking Dead: 8 Crazy Theories For How It All Started

3. The Earth 'Committed Suicide'

Okay, so welcome to crazy corner now. There had to be an environmentalist option in here, a warning to stop polluting the planet, so here it is. Some fans have suggested that the Earth, as a living object decided that humans were unsustainable. Humans were rapidly running out of the Earth's resources and Mother Nature decided to put an end to it by releasing chemicals into the air that would cleanse the planet of human kind's wasteful ways. It could also explain why animals are allowed to live. They can't ravish nature of natural resources quite in the same way as humans.