Earth Day is an event celebrated every year on April 22nd to demonstrate support for environmental protection.
NET participated in the first Earth Day held in 1970 by dedicating the day to broadcasting programs related to threats on the environment. Sesame Street aired Episode 0118 in which Gordon encourages everyone to clean up trash on the street.
Adding to their growing list of National Wildlife Federation PSAs, The Jim Henson Company produced a public service announcement using Earth Day 1990's popular slogan, "Who Says You Can't Change the World?" The spot featured Kermit the Frog singing his signature song, "Bein' Green."
Sesame Street Episode 3867 aired during the week between Earth Day and Arbor Day in 2008 on PBS Kids Sprout and was described by the broadcast guide as an "Arbor Day Special" (trimmed down to 30 minutes).
PBS used the Sesame Street song "We Are All Earthlings" in an Earth Day promo in 2007.
Elmo participated in NASA's request to create a Global Selfie for Earth Day in 2014.
Sesame Street Episode 4923 celebrates Earth Day.