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According to Climate Action Tracker, the world is projected to warm between 2.5C and 2.9C, by 2100, based on current pledges and policies.
According to this New York Times article, mass death of coral reefs is projected to occur at between 1C and 2C of warming, abrupt warming of permafrost is projected to occur at between around 1C and 2.25C of warming, collapse of Greenland ice is projected to occur between 1C and 3C, breakup of West Antarctic ice at between 1C and 3C, sudden shift in the West African monsoon at between about 2C and 3.5C, loss of Amazon rainforest between about 2C and 6C, and shutdown of Atlantic currents at between about 1.5C and 8C.
The global average temperature has increased 1.17C above the long-term average from 1951 to 1980. That means we are already within the range at which mass death of coral reefs, abrupt warming of permafrost, collapse of Greenland ice, and the breakup of West Antarctic ice could occur.
And that’s not the only reason people are made to feel they’re not part of the tribe, that they don’t belong. There are many things in this modern (post modern?) world that cause us to become alienated from other people, even and especially those in our own community. The nature of community itself has changed. Many relationships and social institutions feel more tenuous or impermanent.
It’s a vicious cycle: people feel alienated from others, it causes them stress, the stress causes anxiety, that leads to the immobilization response and depression, the effects of the anxiety and depression cause people to become further alienated from others, and the process accelerates and perpetuates.