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Oxytropidoceras

Ancient farmers spared us from glaciers but 

profoundly changed Earth's climate

University of Wisconsin-Madison, September 6, 2018

https://www.sciencedaily.com/releases/2018/09/180906141507.htm

 

If You Hate Ice Ages, Thank a Farmer

Chopping down forests and irrigating rice 

paddies boosted greenhouse gases enough 

to prevent the onset of a new ice age

Ronald Bailey|Sep. 10, 2018 2:05 pm

https://reason.com/blog/2018/09/10/thank-a-farmer-if-you-hate-ice-ages

 

The papers are:

 

Vavrus, S.J., He, F., Kutzbach, J.E., Ruddiman, W.F. 

and Tzedakis, P.C., 2018. Glacial Inception in 

Marine Isotope Stage 19: An Orbital Analog for a 

Natural Holocene Climate. Scientific reports, 8(1), 

no.10213. (open access paper)

https://www.nature.com/articles/s41598-018-28419-5

http://discovery.ucl.ac.uk/10053186/1/Vavrus_Glacial.pdf

 

Ruddiman, W.F., 2003. The anthropogenic 

greenhouse era began thousands of years ago. 

Climatic change, 61(3), pp.261-293.

http://users.clas.ufl.edu/rrusso/gly6932/ruddiman_03.pdf

http://www.whoi.edu/cms/files/ruddiman03cc_68543.pdf

 

Yours,

 

Paul H.

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