The same applies when someone makes a claim that contradicts an established consensus

You tell that person to show you the UFO.The same applies when someone makes a claim that contradicts an established consensus.So when all the available evidence suggests that humans are causing an increase in global temperatures,the burden of proof has been fulfilled?if you disagree, it becomes your responsibility to prove otherwise.Right?Ah, I e gotten ahead of myself.You'll see what I mean soon enough.