they are using the same information that prompted them several years ago to say that nature was the main culprit. this same information they said would raise the temp by 5 degrees, then retracted and said less than one, and now they are back around the 5 mark. so the information has stayed the exact same, but the "concensus" conclusions have been shifting.
doesnt the phrase "90% certain" mean "uncertain". lol. if you really believe this shit, get off the computer, you are burning fossil fuels and endangering your children.