Here:
"The readings also, for the first time, found fluctuations in the decline due to varying volcanic activity. In 2015, the ozone hole reached a record size despite the drop in chlorine, researchers said, due to increased clouds caused by small particles from the Chilean volcano Calbuco. "
I also find it interesting that Gore predicted calamitous deadlines again and again, but when those dates came..., well, we’re still here.
None the less, they make more bold predictions.
It’s what they do.