> a 6.3-degree Fahrenheit rise in world temperatures by 2100—which is probable if policy makers do little to stop climate change—would cost only 2.8% of global

> a 6.3-degree Fahrenheit rise in world temperatures by 2100—which is probable if policy makers do little to stop climate change—would cost only 2.8% of global GDP a year. As my primary concern was for the welfare of the GDP, this is just a weight off my shoulders