Gone Fishing
The Sustainability of Ocean Fisheries 
• Why are fish harvests in the ocean declining?
• What are the economic solutions and their impacts?
• What are the ecological solutions and their impacts? 
• Data tables and graphing
• percents,
• iteration
• algebra: word problems, setting up equations, equation solving symbol manipulation
• mathematical modeling
• critical thinking 
• geopolitical interdependence
• peace and security issues
• ecosystem degradation
• sustainability
• sustainable economics 
Our Growing World
Population and Ecological Footprints 
• How can mathematics help us see the difference between perception and reality?
• Is there a population problem?
• What is the extent of the problem?
• What problems are associated with large population growth?
• How can society best cope with growing population? 
• exponential functions (nature of, behavior, graphs, range, domain)
• geometric sequences
• scientific notation
• solving exponential equations (guess and check and use of logarithms)
• unit conversions, dimensional analysis, linear and area unit relationships
• laws of exponents
• graph interpretation, extrapolation,
• mathematical modeling
• critical thinking
• number sense, reasonableness of answers 
• Sustainability
• ecosystem degradation
• world hunger
• species extinctions
• carrying capacity
• ecological footprint
• population growth
• mental models related to behavior 
The End of Oil
Mathematical Insights Into Oil Shortage Issues 
• Is there a problem with oil supply?
• When will the world run out of oil?
• How will a supply side approach help the solution (drilling)?
• How will conservation help solve the problem? 
• geometric series, series sums,
• common ratios
• exponential functions
• geometric mean
• scientific notation
• laws of exponents
• equation solving, computation,
• critical thinking 
• energy independence
• terrorism,
• peace and security
• non renewable resources
• propaganda and the media 
Growing Geometry
Fractal Models of Nature 
• Does Euclidean geometry exist in nature?
• How does the length of the coastline of Hawaii compare to Australia?
• What kind of geometry does nature create? 
 fractal geometry, iterative functions
 Euclidean geometry, area formulas, perimeter calculations
 sequences, patterns
 factoring
 modeling
 algebra: symbol manipulation, solving equations

• land use management
• watershed drainage
• weather prediction
• modeling nature and ecosystems 