WaPo: It was 84 degrees near the Arctic Ocean this weekend as carbon dioxide hit its highest level in human history
Over the weekend, the climate system sounded simultaneous alarms. Near the entrance to the Arctic Ocean in northwest Russia, the temperature surged to 84 degrees Fahrenheit (29 Celsius). Meanwhile, the concentration of carbon dioxide in the atmosphere eclipsed 415 parts per million for the first time in human history.
Temperatures were 30-40 degrees above normal in northern Russia over the weekend.
