for a better understanding....read COLLAPSE by Jared Diamond.....ignoring ultra important factors and allowing them to snowball in a severe avalanche is where we are (in this moment of time in history) It has been an ongoing LACK of concern,which MANY civilizations found themselves mired in the mud and could not recover from.. GREAT CIVILIZATIONS BECAME OBSOLETE AND VANISHED.
Read it years ago. Just left Greenland and kept thinking about how the Norse were fated to lose there, but they still lasted 500 years there. Longer than America.
Also recommend Guns, Germs, and Steel. Don't agree with everything Diamond says but he does make your analyze your own beliefs.
Thomas Sowell: There are no solutions, just trade-offs.