Earth Day Observed Around the World Earth Day is observed around the world with tree plantings, exhibits, cleanups and protests. … TelegramFacebookWhatsAppNextdoorPinterestX by Mahscien Posted: 04/22/2017 Category: Science ← After Ebola, Liberians Slowly Embrace Mental Health Care Toxin in Corn Adds to Woes of US Farmers, Ethanol Makers →