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July 20, 2019
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July 19, 2019
Fossil Fuels in Family History
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July 9, 2019
Carbon Concerns
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July 8, 2019
Carbon Concerns
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June 30, 2019
Wondering About Fossil Fuels
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June 22, 2019
Fossil Fueled Civilization
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June 10, 2019
Ecclesiastes: The Preacher's Scientific Musings
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May 29, 2019
Recurring Spring Cycles
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May 17, 2019