To summarize, sometimes solving real-world issues in a green way means recycling, and upcycling modest materials (paper or wood), and transforming them into something more desirable or even luxurious.
Other times a constant, and stubborn approach to solving a problem that might not be fully visible to the beneficiaries is the way to provide a long-term sustainable solution. The first one might be more approachable by individuals, and small teams; the second one implies attracting higher support from individuals, organizations, and companies.
References
Camino de Santiago
https://www.caminodesantiago.me/community/
Appalachian Trail
https://appalachiantrail.org
Moth
https://moth.ro/portofoliu/
Drumuri care reunesc: Via Transilvanica, Liviu Pop
https://www.academia.edu/37661281/Drumuri_care_re_unesc_Via_Transilvanica
7Lamps
https://www.facebook.com/7LAMPI/
Via Transilvanica Concept
https://www.viatransilvanica.com/en/concept