The purveyors of climate doom will not tolerate the good news of our planet thriving because of modest warming and increasing atmospheric carbon dioxide. However, a recent scientific paper concludes that an optimistic vision for Earth and its inhabitants is nonetheless justified. Widely accepted data show an overall greening of Earth resulting from a cycle of natural warming that began more than 300 years ago and from industrialization’s additions of CO that started in the 19 century and accelerated with vigorous economic activity following World War II. Also attributed to these and other fact…