The useful conclusions from this have nothing to do with the correctness of this paper’s data, reasoning, or conclusions. (1) Anthropological global warming (AGW, caused by us) is more difficult to prove than global warming The data showed clear indications of global warming in the late 19th and early 20th centuries. Hence the difficulty of demonstrating AGW as a substantial driver of current warming, since the natural warming trend was established before massive global industrialization. Proving causation requires more than showing a trend, since the trend was already there. This is a repeated fallacy of general media articles about global...