Sentence:  A mixed-up, unhappy and fearful world in chaos, divided against itself, filled with heartaches, frustrations, broken homes, juvenile delinquency, crime, insanity, racial hatreds, riots and violence, wars and death; devoid of honesty, truth andjustice; now facing extinction by man-inflicted <WSD>cosmocide</WSD>—that is the fruit of modern education. 
Meaning of the word marked with <WSD> tags:  The destruction of planet Earth, especially as a result of human activity.