What people are saying - Write a review
We haven't found any reviews in the usual places.
Carrying Capacity and Human Systems
The Declining Resource Base
Energy Efficiency in the U S Economy
9 other sections not shown
Other editions - View all
acre alternative fuels amount of energy analysis animal average capita GNP carrying capacity Census coal conservation consumers crop production cropland decline demand Demand-Driven developed dollar economic effect energy costs energy efficiency Energy Input energy needed energy profit ratio energy supplies erosion farmers farming fertilizers Figure food energy fossil fuels fuel mix fuel supplies future hard path Hubbert curve human increase industrial investment irrigation Julian Simon kcal labor land low resource quality Moderate Resource Quality natural resources nonfuel nonrenewable nuclear fission oil and gas oil production oil shale output per-acre percent petroleum plants predict projections real GNP/energy ratio reduce reference scenario resource base Resource Quality Scenario Robert Costanza sector soft path soil Solid line sources Statistics synthetic fuels tion trends U.S. agriculture U.S. Department U.S. economy U.S. energy United USDA USGPO Washington yield curve