April brings Earth Day, celebrated on the twenty-second of the month, since 1970. The History of Earth Day states that it “ is widely recognized as the largest secular observance in the world, marked by more than a billion people every year as a day of action to change human behavior and create global, national and local policy changes” in an effort to protect out planet. Arbor Day, now celebrated on April 28, dates back to 1872, when more than a million trees were plan...