Zero in on someone or something to aim directly at someone or something. Zero percent is the current available capacity of intensive care unit beds here in Southern California. Net zero refers to achieving an overall balance between emissions produced and emissions taken out of the atmosphere.
We will achieve net-zero emissions when any remaining human-caused GHG emissions are balanced out by removing GHGs from the atmosphere in a process known as carbon removal.
If the mean has already been subtracted that step is not required. Difficulty is a key piece of calculating a hashrate. Becoming carbon neutral is a growing trend among major companies -- and even entire countries-- but what does it actually mean. PCA requires data with a mean of zero.