29th Annual EarthFair

Jenny Sabato and her daughter Lilly Jane Kraus, 5, promoted saving the bees during the Earth Day parade at the 29th Annual EarthFair in Balboa Park on April 22, 2018. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

Thousands of people attended the 29th Annual EarthFair in Balboa Park on Earth Day on April 22, 2018. 300 exhibitors shared what they are doing and how you can help with protecting nature and the environment. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

The Earth Day Parade celebrates the variety of lie on earth and demonstrates a commitment to a clean, healthy environment.  (K.C. Alfred / San Diego Union-Tribune)

Eric Runningpath, a member of the Navajo Nation, dances during an Earth Day parade at the 29th Annual EarthFair in Balboa Park on April 22, 2018. 300 exhibitors shared what they are doing and how you can help with protecting nature and the environment. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

Dolores Huerta was the Grand Marshall of the Earth Day parade at the 29th Annual EarthFair in Balboa Park on April 22, 2018. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

Sean Bernardo holds a Leia, a carpet python while walking with the Reptile Association of San Diego during the Earth Day parade at the 29th Annual EarthFair in Balboa Park on April 22, 2018. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

Andrew Quella volunteered for Public Watchdogs which opposes the storing of nuclear waste at San Onofre at the 29th Annual EarthFair in Balboa Park on April 22, 2018. 300 exhibitors shared what they are doing and how you can help with protecting nature and the environment. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

The La Jolla High band and color guard participate in the walking with the Earth Day parade at the 29th Annual EarthFair in Balboa Park on April 22, 2018. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)

Liz Taylor, a poodle, takes in the 29th Annual EarthFair in Balboa Park on April 22, 2018. (Photo by K.C. Alfred/ San Diego Union -Tribune)  (K.C. Alfred / San Diego Union-Tribune)