Kardashev Scale
A method of classifying civilizations based on their energy consumption, with Type I utilizing all energy incident upon their home planet.
Videos Mentioning Kardashev Scale

Michio Kaku: Future of Humans, Aliens, Space Travel & Physics | Lex Fridman Podcast #45
Lex Fridman
A scale used to classify civilizations based on their energy consumption, from planetary (Type 1) to stellar (Type 2) and galactic (Type 3).

David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355
Lex Fridman
A method of classifying civilizations based on their energy consumption, with Type I utilizing all energy incident upon their home planet.

Daniel Schmachtenberger: Steering Civilization Away from Self-Destruction | Lex Fridman Podcast #191
Lex Fridman
A method of measuring a civilization's level of technological advancement based on the amount of energy it is able to harness.

Dennis Whyte: Nuclear Fusion and the Future of Energy | Lex Fridman Podcast #353
Lex Fridman
A method of classifying civilizations based on their energy use, from Type 1 (harnessing all energy on their home planet) to Type 2 (harnessing the entire energy output of their star).