Climate Debate Grows As Expectations Shrink

摘要

A major ethical dimension was injected into the climate change debate last week when the head of the Roman Catholic church called on all humans to help save the planet. In a lengthy papal encyclical on the environment, Pope Francis said fossil fuels — especially coal, but also oil and, to a lesser degree, natural gas — need to be "progressively replaced without delay," and made it clear rich countries have moral responsibility to do most.