ClimateBall ™ is a concept that comes from a project called Never Ending Audit:
ClimateBall ™ got a life of its own and many people started to use it, e.g.:
Some people asked me what was ClimateBall ™. The simple answer is the same as CalvinBall:
People have asked how to play Calvinball. It’s pretty simple: you make up the rules as you go.
ClimateBall ™ simply refers to the way people argue in climate blogs.