A short list of responsible organizations taking part 

The Mcnay, The Brauer Museum of Art, University of Chicago Laboratory School,  North Yarmouth Academy, New End Primary School (UK), Romona School, Escuela Montessori Segunda Unidad Pasto, Tom Skilling, Adler Planetarium - US, Montessori School of Yakima, Lycee Francais de Chicago, Latin School of Chicago, Stanford Montessori, WBEZ's Worldview, Oakton Elementary School, Mother of God School, Stillwater Montessori School, Northwestern University, Khalsa Montessori School, Cloud Appreciation Society, Racine Montessori School, French American School of Chicago, Westgate Elementary School, Mom's Clean Air Force, Montessori School of Lake Forest, Jill King Studio, Apple Montessori School, Royal Meteorological Society, Wilmette Junior High School, Montessori School of Peoria, Go Green Lahore, The Delaware Contemporary, York Community Resource Center, Australian Meteorological and Oceanographic Society, Hampton Roads International Montessori School, Dreams Soar STEM,  Williamsburg Montessori School,  Institute of Environmental Science for Social Change (Philippines), Millstone Township Elementary School, Brixham Montessori Friends School, Carpenter Elementary School, Jeddah Astronomy Society, Community Montessori Charter School, Climate Change Research Centre, University of New South Wales Sydney, Lycee Claudel, Milanovich Lab, Ion Tuculescu Secondary School, Longmeadow Montessori Internationale, Raby Sky Watchers, Eliasson Group, East Aurora High School, Cousteau, the French International school of Vancouver, Montessori School of Lake Forest, Juliette Gordon Low National Hiking Trail,  Chiaravalle Montessori in Evanston, Wellesley Village Church, Namaste Montessori School,  Boise East Rotary, Staerkel Planetarium,  Perera Sri Lanka, Astronomers Without Borders