Earlier quoted context omitted.
> Adding energy to the system Best estimates I've found to date: [ EDIT: 0.6-0.8 ] * Petawatts * of extra energy circulating in the atmosphere as a result of anthropogenic changes to radiative forcing. EDIT: For the people downvoting this because "watts are units of power not energy", please read the Wikipedia page on radiative forcing https://en.wikipedia.org/wiki/Radiative_forcing For the people downvoting because…
Watts aren’t energy, so no idea what this means.
[0] technically some layer of the earth between the ground and whatever you define as the edge of the atmosphere.