Books can be attributed to "Unknown" when the author or editor (as applicable) is not known and cannot be discovered. If at all possible, list at least one actual author or editor for a book instead of using "Unknown".
Books whose authorship is purposefully withheld should be attributed instead to Anonymous.
treating all lives as equally worthy, would simply show that we should be investing much more in the developing world– on the order of 50–80 per cent of our GDP
The scenarios with a sharp drop in carbon intensity (A1T and B1) are inconsistent with a business as usual baseline in which there is no carbon tax (or emissions ceiling)
utility-based discounting
Thereisa‘conveyorbelt’thatinvolves the sinking of cold water near the Arctic and upwelling of warm water in the Southern Atlantic, giving rise to the Gulf Stream which keeps northern Europe warm. Increased melting of polar ice could reduce the salinity and specific gravity of the cold water entering the ocean there, possibly shutting down the ocean conveyor belt.