Saving Lake Toba:
Turning Destructive
Aquatic Plant into
Functional Fertilizer
Hey, I’m Stefan!
I’m currently a senior at Jakarta Intercultural School, hoping to make an impact in the community. I enjoy challenging myself in finding solutions to complex environmental issues around the world.
Developing STEBA, a biofertilizer originating from destructive aquatic plants
STEBA is proven to make the plants healthier, increase crop yields, and environmental-friendly