A Dictionary of Environmental Economics, Science, and Policy

A Dictionary of Environmental Economics, Science, and Policy

Elgar original reference

R. Quentin Grafton, Linwood H. Pendleton and Harry W. Nelson

This comprehensive Dictionary is an important reference tool for all those interested in environmental science and environmental studies. Written in a clear and accessible style, the dictionary includes over three thousand up-to-date entries, all accompanied by a detailed yet straightforward definition covering all aspects of the subject.


R. Quentin Grafton, Linwood H. Pendleton and Harry W. Nelson

Subjects: economics and finance, environmental economics, environment, ecological economics, environmental economics


yard. Unit of length equal to 0.91 meters. ihn year-class. A method of defining cohorts w t i a population based upon the year that they were born or were spawned. year-class strength. Term that refers to the size of a cohort in a population relative to older and younger cohorts. See cohort. yellowcake. Name given to a mixture of uranium that is used as a fuel in nuclear reactors. yellow fever. A life-threatening disease caused by a virus transmitted by mosquitoes. younger dryas. A period of sudden cold temperatures in the northern hemisphere that began about 10,000 to 11,000 years ago and which occurred after the end of the last ice age. A hypothesis is that the sudden cooling may have arisen from the rapid melting of Greenland glaciers which, in turn, created a cold mass of water that diverted the Gulf Stream from the North Atlantic. 307 This page intentionally left blank

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