I have been in the field of science for some time now and I have not been aware of the term "very likely" translating to "more than 90% certainty.
You obviously have not been associated with the right scientists. I bet you have never even spoken to Prof. Albert Gore, have you? See.
LOL! You are so right! I skipped Prof. Albert Gore's lectures.
"The devil is in the details.... daaaaaaaaaarling..."