For more than three decades there have been ever shriller cries warning of a climate emergency. We are being told that carbon dioxide and other greenhouse gases produced by industry, agriculture, and our everyday lifestyles are contributing to dangerous irreversible global warming. The nebulous, dangerous global-warming mantra has morphed into a climate emergency that suggests not only a sizzling planet but also a spawning of extreme droughts, floods, storms, and tempests. Every weather-related hazard is claimed to be getting more extreme and more frequent. With each extreme weather event there are self-styled experts linking the event to climate chan...