Is there a particular point you want me to address, specifically?
Plus, the three in the video aren't exactly the most credible choices. Bob Carter is a well-known huckster who's paid to astroturf. Peter Ridd is being censured by his employer for unethical statements about colleagues and their work. And Garth Paltridge is a denier as well. It's hardly an even panel that's intended to get at the facts.
I don't have to deal with 'friend of a friend' level nonsense.
I work in this field, and I've never gotten paid to produce a given result, nor have I been pressured in any way to adjust my findings or conclusions. None of my colleagues have, either.
Well, define "undeniable" for me, real quick. If you mean "incontrovertible", then that's unscientific; EVERYTHING in science is falsifiable, by definition, or it isn't
science. But you need actual evidence and such to do so.
If you just mean "does the preponderance of the data lead to only one possible conclusion", then the answer isn't just "definitively yes", it's been a "yes" for 40+ years now. Here's the most recent IPCC assessment of the state of the physical science behind AGCC;
https://www.ipcc.ch/report/ar5/wg1/
Which I'm linking again, even though folks never check the sources.
The
only times climate has changed this rapidly in paleohistory was due to cataclysmic events, like supervolcano eruptions or asteroid impacts. Extinction-level events. The slower cycling that we notice in the glacial/interglacial cycle is still imperfectly understood, but it has a clear connection to orbital variance, and regardless, it occurs dozens of times more slowly than modern warming has been, even at its most rapid; if we weren't at the high point of an interglacial's warm stretch already, you'd expect the warming we've seen over the last century to take a few
thousand years, if it were due to natural climate cycling. And we
are at such an interglacial peak (slightly past, actually), so we shouldn't be seeing rapid warming
at all. For natural causes, at least.