Alumni Spotlight: Aldo Membreño’s Volunteering Journey
April 1, 2026
Discover Aldo Membreño’s journey from international volunteering to youth leader at Greentalist Society.
Discover what our volunteers learn, experience, and take home — from Costa Rica's rainforests and rural schools to communities across the country.
Discover Aldo Membreño’s journey from international volunteering to youth leader at Greentalist Society.
Greentalist and families joined forces at Pacuare Reserve to build hatcheries and protect endangered sea turtles, securing a future for the Caribbean.
See how Greentalist volunteers are working hand-in-hand with local communities to transform rural education and empower youth in Costa Rica.
Learn how to reduce food waste at home with simple kitchen habits. Save money, eat better, and protect the planet with small daily actions.
Terrakura Organic showed us how urban gardens and composting can boost food security
Federico Calderón, Alumni of the Month – May 2025, shows how volunteering grows into global leadership in sustainability and climate action.
Organizing clean-up days in Tuis taught me that real change starts with small steps and committed individuals. I witnessed my community unite to clean up illegal dumping sites, and they began taking ownership of our shared spaces.
Being part of the Conservation Project opened my eyes to how much young people can do for the environment. Leading workshops in schools not only helped me inspire others but also allowed me to grow my own confidence and voice as a changemaker.
Greentalist was more than just an educational program — it was a family. I found people full of powerful ideas and people taking action, which motivated me to do more. Just hearing the name Greentalist sparks curiosity and inspires others to join the movement.
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