Now for the carbon dioxide forecast: levels of this gas in the atmosphere will rise by 2.5 parts per million to average 408 ppm in 2017. And the monthly average could exceed 410 ppm for the first time during this year’s peak in May .
First yearly CO2 forecast predicts one of biggest rises ever
Now for the carbon dioxide forecast: levels of this gas in the atmosphere will rise by 2.5 parts per million to average 408 ppm in 2017. And the monthly average could exceed 410 ppm for the first time during this year’s peak in May .