872. The famous NASA "blue marble" image could have influenced people to make blue the color of environmentalism and Earth Day, but green won the day. In honor of the special day, we look at how the meaning of "green" has changed over time. Plus, we investigate the "fun" continuum and whether it's OK to use the words "funner" and "funnest."

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References for the "funnest" segment

1. Merriam-Webster's Dictionary of English Usage. Springfield: Merriam-Webster, 1994, pp. 469-70.

2. Garner, B. Garner's Modern American Usage. Oxford: Oxford University Press, 2016, p. 416.

3. The American Heritage Guide to Contemporary Usage and Style. Boston: Houghton Mifflin Company, 2005, p. 197.

4. The Grammar Logs. #596, March 24, 2004, https://web.archive.org/web/20190427082852/http://grammar.ccc.commnet.edu/GRAMMAR/grammarlogs4/grammarlogs596.htm(accessed April 21, 2022).

5. Wallraff, B. Word Court. 87 (2000).

6. Garner, B. Garner's Modern American Usage. Oxford: Oxford University Press, 2016, p. 416.

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