The document discusses the disaster sci-fi genre. It is a subgenre of science fiction that deals with imagined scientific innovations and their impacts, often in catastrophic scenarios. Disaster sci-fi films typically feature science-related disasters threatening humanity that must be solved using science. Examples include global warming leading to an ice age in The Day After Tomorrow and comets needing destruction in Armageddon. Key conventions are disasters requiring scientific solutions, parts taking place in space, and focusing on saving Earth from threats.