I spent time recently listening to and reading Chris Turner, a Calgary based journalist and author of numerous books. Turner has become a climate change optimist. In contrast, I lean toward climate pessimism, the belief that causes will not be fully addressed, at least until catastrophe severely affects powerful groups who today value wealth more than human survival.

Restoring old relationships? Are human physicians still needed? https://jamanetwork.com/journals/jama/article-abstract/2852952 Will Autonomous AI Exceed AI-Aided Physicians as the Best Medical Care?…