Alberto Ruz Buenfil (11 September 1945[1] – 7 December 2023) was a Mexican writer and activist whose work is dedicated to social change, environmental sustainability, and the performing arts. He co-founded two international theater groups as well as Mexico's first ecovillage, known as Huehuecoyotl. He led the 13-year Rainbow Peace Caravan, an international effort to promote sustainable design and permaculture, as well as theatrical performances, across seventeen countries of Latin America. He was also funded by Ashoka from 2002 to 2005, and received in the name of the Rainbow Peace Caravan, the prize "Escuela Viva" from the Brazilian President Lula da Silva and Minister of Culture Gilberto Gil, as one of the 60 most advanced projects in education in the country.
Ruz was the author of several books. At his return in 2009 from South America, he was invited to be part of a team at the 'Direction of Culture' of Coyoacán, México DF, where he created the project Ecobarrios and took it for three years to 10 different pueblos and barrios from that part of the city. From January to November 2013 he was Director of Environmental Culture in the state of Morelos. Beginning in 2014, he was an adviser to the "Asamblea Legislativa", from Mexico City, on the subject of the recently adopted Law of Rights of Mother Earth. He organized the 1st Global Forum for the Rights of Mother Earth in Mexico city, from 1 to 5 June. His main purpose was to contribute to the Universal Declaration of Rights of Mother Earth at the United Nations. He lived in Huehuecóyotl and traveled around the world as a keynote speaker in different forums and for all kinds of audiences.