Seems many areas of the world, particularly the underdeveloped countries, i.e. Sub-Sahara, have seen increased vegetation & longer growing seasons.

In short, more food. 

https://phys.org/news/2016-04-co2-fertilization-greening-earth.html

P.S. Note the "may" in the 2nd last sentence, seems they are not that good yet in predicting the future.