The gradual depletion of the ozone layer and the related "greenhouse effect" has now reached crisis proportions as a consequence of industrial growth, massive urban concentrations and vastly increased energy needs. Industrial waste, the burning of fossil fuels, unrestricted deforestation, the use of certain types of herbicides, coolants and propellants: all of these are known to harm the atmosphere and environment.
Pope John Paul IIHow can such episodes of such savage cruelty happen? The heart of man is an abyss out of which sometimes emerge plots of unspeakable ferocity capable of overturning in an instant the tranquil and productive life of a people.
Pope John Paul II...Be holy men and women! Do not forget that the fruits of the apostolate depend on the depth of the spiritual life, on the intensity of prayer, of continual formation and sincere adhesion to the directives of the Church.
Pope John Paul IIMan must reconcile himself to his natural greatness.... he must not forget that he is a person.
Pope John Paul II