* Incurable diseases * Mass killings of human beings by other human beings (whatever be the reason, whatever they are called) * Mismanagement of global food i

* Incurable diseases * Mass killings of human beings by other human beings (whatever be the reason, whatever they are called) * Mismanagement of global food inventory, as mentioned by others * Inequality between women and men (and others). Existing solutions are not customized for cultures/communities.