Environmental degradation overpopulation refugees narcotics terrorism world crime movements and organized crime are worldwide problems that don't stop at a nation's borders.
I do not want to speak about overpopulation or birth control but I think education is the way to give new impetus to the poverty question.
As a chef you need to respect your guests and their needs. If they decide that they want to eat certain things and not eat others if for religious reasons or just decide they don't want to eat certain ingredients you have to respect that.