"The climate challenge is the easy one [...]. Incremental change is not an option."Rockström was lead author on last year’s Nature paper on planetary boundaries and this video is an excellent 20 minute summary of the shift from the Holocene to the Anthropocene, of the multiple "hockey stick" graphs we face, of the non-linear behaviour of earth systems and of the nine planetary boundaries we've transgressed or are in danger of passing soon.
We are in an ecologically novel situation. Never before have we been so close to self-destruction on such a scale.