Earth and Leaf Editorial – Flawed Economic Models will Lead to Global Crash About time someone else realised that we use flawed economic models.  Our current Economic teaching includes externalities.  These are costs for someone else to bear.  The theory only needs a tweak, the consequences of that tweak are unimaginably serious.  Economists have always recognised these climate costs, but until now they haven’t been able to include them in their thinking. So they were called Externalities. They are now measurable costs.  So the polluter must pay. Climate models assume the future will behave like the past, despite the burning of fossil fuels pushing the Earth into uncharted territory. Photograph:…