This article points out, once again, the need to move as quickly as we can to decarbonize our civilization. But we have already baked in a fair bit of change and it is going to be challenging, given all our other impacts on the biosphere, to get through the bottleneck of the next century and begin the long easing toward a sustainable civilization.

In the longer term, we can see a way for humans to flourish on this planet and to allow all our non-human relatives to flourish as well. But it will take a paradigm shift to get there. Perhaps something like the one described in the Aspen Proposal. www.aspenproposal.org