EarthSky: The recent El Nio has driven a rise in atmospheric CO2. Scientists expect it to surpass 400 parts per million for the year and stay there at least a human lifetime.
Climate scientists report that the human-caused rise in atmospheric concentration of carbon dioxide is getting an extra boost this year from El Nio, resulting in the fastest annual increase of CO2 levels on record.
According to a paper published June 13, 2016 in the journal Nature Climate Change, 2016 will be the first year with...