ENEP250 Study Guide - Spring 2019, Comprehensive Final Exam Notes - Solar Energy, Yom Kippur War, Wood Fuel

• School: University of Delaware
• Department: Energy and Environmental Policy
• Course: ENEP250
• Professor: Dr. Casey Taylor

Document Summary

There is no free lunch (everything has a cost) Def of steady states is what is the level of activity within an ecosystem that can be maintained over a long period of time. How much can you mess with something before you break it. Global human population and carrying capacity - carrying capacity does not endanger future populations. Ecological footprint - how much space does our population need to sustain a population. We past 1 earth footprint in 1970, that"s when we were using just the right amount our earth could give, sustainable capacity of earth . 1. 75 earths in 2014 are required to reach our demands. Primary productivity - rate at which solar is transformed to biomas (gross total) Net primary productivity , gross primary productivity - chemical energy for survival. Coal powered industrial revolution - lots of benefits over wood & charcoal. Less work to get, so we can burn more of it.