Headline: Reasons to be happy on Earth DayPublication Date: Thursday, April 18, 2019Primary Source: Tribune-Review (PA)Non-Cato Author: Donald J. BourdeauxType: articleFormat: Newspaper (Online)Nature of Mention: featuredScholar: HumanProgress.orgTupy, Marian L.Research Area: Political PhilosophySubjects: reasons to be optimistic about the futureAttached Files: TupyHP_Trib_LG.pdf