"The danger posed by carbon emissions will not go away, "
That's hilarious , what the planet is getting too green? what danger?
see:http://sciencenordic.com/africa-has-become-greener-last-20-years
"Thirty six per cent of the continent has become greener, while 11 per cent is becoming less green."
see: Human population growth offsets climate-driven increase in woody vegetation in sub-Saharan Africa @ www.nature.com/articles/s41559-017-0081
"Increases in woody cover were associated with low population growth, and were driven by increases in CO2 in the humid zones and by increases in precipitation in drylands, whereas decreases in woody cover were associated with high population growth. "
Rising CO2 driving increases in woody cover ,off setting deforestation.
That is dangerous? it's good news.