Petrus has written a paper for the Catholic Lutheran Dialogue, outlining the reality of climate warming, biblical and theological responses, and concluding with a checklist expressing human responsibility.
Climate Warming in the Light of an Ethic of Responsibility: Full Article
Although there is unanimity about the warming of the climate, there are still people who deny that it is humanmade, despite scientific evidence to the contrary. The situation is very serious inasmuch as tipping points seem close, including the thawing of permafrost in Siberia and Canada and large land-based icesheets in Greenland and the Antarctic. The goal of limiting warming to 1.5 C or 2.0 C since 1780 appears optimistic.