GEOL 105 Lecture Notes - Lecture 7: Nuclear Meltdown, British Thermal Unit, Biproduct
Document Summary
Peak oil: the time when half of earth"s oil extracted and used (cid:1) (cid:1) Oil: nonrenewable and being consumed too fast. Consequences: growing demands, water pollution, air pollution, global warming, global economic and political instability (cid:1) (cid:1) (cid:1) (cid:1) Disproportionate amount of energy resources demanded and consumed in developed countries (cid:1) Growing challenges: how to break energy dependency, yet sustain development and high standard of living (cid:1) Energy shocks: constant worries from past to present and to the future over the price, dependency, power failures (cid:1) (cid:1) (cid:1) Fossil fuels: 90% of us energy consumption (10% from hydropower and nuclear power) (cid:1) (cid:1) (cid:1) The rate of increase variable: peak increase during 19050- 1974, since then it has slowed down * shortage of gas lines, during 1950-1974; mini vans were produced etc. (cid:1) (cid:1) (cid:1) Types of energy: light, electrical, chemical, thermal, mechanical, and nuclear (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Energy unit: energy capacity to do work.
