A few weeks ago, the National Oceanic and Atmospheric Administration (NOAA) announced that atmospheric CO2 concentrations, at 419 ppm, have now reached 150% of their pre-industrial levels – the highest in more than four million years, when sea levels were about 24 meters higher, the global average surface temperature almost 4ºC warmer than today, and the first modern humans had more than three million years yet to appear on ;  The world-historical COVID-19 pandemic, still…
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