https://en.wikipedia.org/wiki/Earth_system_science
https://www.amazon.com/gp/product/B019WSGBOE/ref=dbs_a_def_rwt_hsch_vapi_tkin_p1_i0 (kindle 2010-6-26) (6/28 ?)
https://www.amazon.com/gp/product/B00CICHL78/ref=dbs_a_def_rwt_hsch_vapi_tkin_p1_i1
https://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199587049.001.0001/acprof-9780199587049