November 14, 2020 EliasSch, Pixabay, License Dear Editor, A Greta Thunburg forebear, Viking, Erik the Red, grew barley to brew beer in Greenland 1,000 years ago, when it was then even hotter there than today, with but a smidgeon of today’s CO2 in the atmosphere. Why did not the world end then, Greta? Scientific/historical fact: […]