"As I’ve watched the events of this summer unfolding, I’ve found myself wondering whether the Earth system has now breached a tipping point, an irreversible shift in the stability of the planetary system." http://www.theguardian.com/commentisfree/2020/jan/03/we-are-seeing-the-very-worst-of-our-scientific-predictions-come-to-pass-in-these-bushfires