Correct of course. "Results showed that carbon dioxide fertilization explains 70 percent of the greening effect, said co-author Ranga Myneni, a professor in th

Correct of course. "Results showed that carbon dioxide fertilization explains 70 percent of the greening effect, said co-author Ranga Myneni, a professor in the Department of Earth and Environment at Boston University. “The second most important driver is nitrogen, at 9 percent. " https://www.nasa.gov/feature/goddard/2016/carbon-dioxide-fertilization-greening-earth https://www.nasa.gov/feature/goddard/2016/carbon-dioxide-fer... The greening is also observed in areas unaffected by man's agricultural activities.