Yawn. Yet another possible, hand wavy, scientifically ambiguous-in-the-context-of-a-deeply-complex-system tipping point for the sake of hammering home a deeply politicized subject. Yes, I understand that we're affecting the global climate in long-term ways, but if any of those who really push these narratives want to actually start convincing the general public to give a shit, they can start by not turning out at least one new dramatic headline per week while most people keep perceiving more or less manageable climates year over year.