PhD Energy Policy Scholar (policy background, not an engineer), with a focus on sustainability/renewables, and thinking at the lifecycle/systems level.
Politics
Q&A for people interested in governments, policies, and political processes
Aviation
Q&A for aircraft pilots, mechanics, and enthusiasts
Worldbuilding
Q&A for writers/artists using science, geography and culture to construct imaginary worlds and settings
Arqade
Q&A for passionate videogamers on all platforms
Personal Finance & Money
Q&A for people who want to be financially literate
Space Exploration
Q&A for spacecraft operators, scientists, engineers, and enthusiasts
Law
Q&A for legal professionals, students, and others with experience or interest in law
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Stack Overflow
Q&A for professional and enthusiast programmers
Poker
Q&A for serious players and enthusiasts of poker
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Super User
Q&A for computer enthusiasts and power users
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Physics
Q&A for active researchers, academics and students of physics