Rise of atmospheric carbon dioxide continues unabated

Despite Covid-induced reductions in industrial activity last year, climate concerns remain Every day, above where this column appears in the newspaper, the latest daily atmospheric carbon dioxide readings are recorded in parts per million from the Mauna Loa observatory in Hawaii.Week by week they keep rising and make for grim reading. We are within a whisker of 420ppm, 50% more than the 280ppm of pre-industrial times, before we began to burn oil and coal in significant quantities. Continue reading...