fromwww.scientificamerican.com
21 hours agoThe History of America Can Be Told through Christmas Trees
What you might not appreciate is that conifers, which grow and thrive all year alongside other evergreens, have played some surprising roles in U.S. history. Take the eastern white pine. It decorated the first coins minted in the British colonies. Spruce lumberjacks in the early 20th century, meanwhile, helped enshrine some key labor rights, including an eight-hour workday and overtime pay. These tales and more are highlighted by Trent Preszler, an environmental economist at Cornell University,
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