Poster: Every Day is Earth Day
Earth Day 2018 – What are we doing to minimize the use of plastic?
Twitter Moment
Earth Day 2018
Headlines
https://www.thedailybeast.com/when-did-earth-day-become-just-a-__-holiday
https://www.vox.com/2018/4/21/17247994/earth-day-2018-plastic-climate-change
Planeta.com