April 22 is the date of Earth Day in part because of Arbor Day, an earlier observance. The focus of Earth Day 2018 is plastic pollution. Source: Why observe Earth Day on April 22? | EarthSky.org TNCRod Washington:  Rod is a blogger, writer, filmmaker, photographer, daydreamer who likes to cook. Rod produces and directs the web … Continue reading Why observe Earth Day on April 22? | EarthSky.org