2) North Korea is also apparently making widespread use of DDT and PCBs, the way that Americans did prior to the 60s. I do not know much about PCBs, but I know that DDT is generally restricted to killing mosquitoes that carry malaria. The UN report about this says that the North Koreans are gravely endangering their own health and that of their neighbors with these chemicals.
Both of these news stories have one thing in common. They both show an utter lack of knowledge about modern science (economics and chemistry) that the rest of the world possesses. North Korean isolation is killing them, and they appear to prefer it that way.