"10 days before the death of St. John Paul II, in that Via Crucis of Holy Friday, Joseph Ratzinger said to the whole Church that it needed to clean up the dirt of the Church."

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We have this highly irrational system of incentivizing innovation for clean and green technologies, where we allow the innovator to have a temporary monopoly and then mark up the price of the product or sell licenses at high prices to those who want to use the kind of product that the innovator has invented. This system is collectively irrational because many people, to avoid the inflated prices of still-patented cleaner and greener technologies, opt for some older technology that is much more polluting.

— Thomas Pogge