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Earth Day 2019 Presentation

A comprehensive Power Point presentation created by Dr. Charles Bevington for the recent Earth Day 2019 presentation. Simply click on the image to open the link to the PDF in a separate window.


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The Sierra Club, a non-profit organization, is the nation’s longest standing volunteer driven environmental organization. Its purpose is to ‘explore, enjoy and protect the planet’. It does this by educating the public and influencing public policy decisions — legislative, legal, and electoral.

Copyright 2020 by Sierra Club Long Island Group