1. The existence of gravity and it's proofs are vastly different than this topic and not comparable. 2. What gravity even is at a technical is still unknown an

1. The existence of gravity and it's proofs are vastly different than this topic and not comparable. 2. What gravity even is at a technical is still unknown and debated right now between a few theories. The question here isn't about if humans affect climate to any degree, because that would be an easy agreement, but is it actually significant and what percentage of the changes we measure, which so far are quite minute over the past century, are human vs natural changes.