I don't think anybody disputes that glacier retreat in the last ~100 years. What they're disputing is predictions about the future presented with unwarranted certainty and authority. It's pretty clear that despite what we know, we have an incomplete understanding at best about glacier dynamics.
I don't think anybody disputes that glacier retreat in the last ~100 years. What they're disputing is predictions about the [future](http://lysanderspooneruniversity.com/wp-content/uploads/2019/06/st-mary-diorama-2017.jpg) presented with unwarranted certainty and authority. It's pretty clear that despite what we know, we have an incomplete understanding at best about glacier dynamics.
I don't think anybody disputes that glacier retreat in the last ~100 years. What they're disputing is predictions about the future presented with unwarranted certainty and authority. It's pretty clear that despite what we know, we have an incomplete understanding at best about glacier dynamics.