+ Natural resources
+ Aquifer
+ Ground water
+ Ecosystem service
+ Capital
+ Price
+ Accounting
+ Scarcity
+ Sustainable management
Scientific methods
+ Economic model
+ Policy analysis
+ Case study
+ Economic valuation
+ Natural capital valuation
Reading level
+ High school, lower level
AP Environmental Science Topics (from College Board)
I. Earth Systems and Resources: C. Global Water Resources and Use
IV. Land and Water Use: A. Agriculture, G. Global Economics
Teacher's resources
+ Adapted scientific article
+ Student assessment questions with Teacher's key
+ Original scientific paper from PNAS
+ Opening videos:
(1) Ecosystem services explained
(2) Watch Joshua Abbott, one of the authors of this research, talk about it on PBS. (7-min long interview starts at 10 min 30 sec.)
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