It is celebrated to demonstrate support for environmental protection.
It is celebrated this year under the theme - Climate Action.
It is celebrated by World Earth Day Network.
Earth Day Network is a non-profit organization.
This year is the 50th anniversary of World Earth Day.
Earth Day is leveraging Citizen Science and emerging technologies to engage one million global citizens in the 50th anniversary “Earth Challenge 2020”.
On Earth Day 2016, the landmark Paris Agreement was signed by the United States, China, and some 120 other countries.
Earth Day was founded by American senator Gaylord Nelson for environmental education.