The concentration of carbon dioxide in Earth’s atmosphere has reached a record high, according to a new report from the World Meteorological Organization
The organization’s report found that the increase in carbon dioxide in the atmosphere from 2017 to 2018 was above the average growth rate over the past decade, which was just over 2 parts per million per year.
Though global levels haven’t reached that benchmark yet, Taalas said the new record is still troubling. The WMO report also found that concentrations of two other greenhouse gases, methane and nitrous oxide, have also seen an uptick over the past decade. It’s estimated that about 60 percent of methane emissions come from human activities, such as from landfills, cattle breeding and certain types of agriculture, while the other 40 percent comes from natural sources.
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