[Rockhounds] Did humans create the Sahara desert?

[Paul]

Did humans create the Sahara desert? New research
challenges the idea that changes in the Earth's orbit
triggered Sahara desertification, Frontiers, March 14, 2017
https://www.sciencedaily.com/releases/2017/03/170314111320.htm
https://blog.frontiersin.org/2017/03/14/did-humans-create-the-sahara-desert/

David K. Wright. Humans as Agents in the Termination
of the African Humid Period. Frontiers in Earth Science,
2017; 5 DOI: 10.3389/feart.2017.0000
http://journal.frontiersin.org/article/10.3389/feart.2017.00004/full
https://www.academia.edu/31079511/Humans_as_agents_in_the_termination_of_the_African_Humid_Period._Frontiers_in_Earth_Science_5_4_doi_10.3389_feart.2017.00004_2017_

Yours,

Paul H.