NASA Study: Human Influence on Global Droughts Goes Back 100 Years

Human-generated greenhouse gases and atmospheric particles were affecting global drought risk as far back as the early 20th century, according to a study from NASA’s Goddard Institute for Space Studies (GISS) in New York City.

https://climate.nasa.gov/news/2872/nasa-study-human-influence-on-global-droughts-goes-back-100-years/