I was asked recently to write a short essay on environmentalism to be published in a book on âKey Concepts in Critical Management Studiesâ to be published by Sage later in 2010. I hope itâs useful for those who want a little bit of history and critical understanding of environmentalist as a concept and a movement.
Hand sorting the 1982 Copper from the Zinc pennies. 1982 was the transition year for the US Mint to stop making pennies from copper and switch to zinc. There... Hand sorting the 1982 Copper from the Zinc pennies. 1982 was the transition year for the US Mint to stop making pennies from copper and switch to zinc. There are sorting machines that can be purchased to do this work, but if you dont have a machine, your ears can do the job!
âWeâve added to the history, the legacy, of this coin,â McConnell said. In the early 1970s, copper prices spiked and it became more expensive to make a single penny than it was worth. The U.S. Mint began to experiment with other metals, and the Philadelphia Mint ended up pressing 1.5 million aluminum cents.