Master Class 5:

Biodigesters: The Ultimate Multi-Problem Solving Technology

The world’s self-proclaimed “leading evangelist” for biodigesters explains the history of the biodigester, how they work, and why they are so impactful. This low-cost, low-tech solution supports organic waste management, disease prevention, energy and fertilizer creation.

Thomas Henry Culhane is an Urban Ecologist, Professor of Environmental Sustainability and Justice at the Patel College for Global Solutions at University of South Florida, Tampa, co-founder and president of Solar CITIES Inc..

Otávio Barros is a community leader, fifth-generation resident of the Vale Encantado community (an informal settlement within the Tijuca Forest in Rio de Janeiro, Brazil) and president of the Vale Encantado Residents’ Association.

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