challenges
For Business
For Startups
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
For Startups
Who We Are
Results
Submission
Orpita Orpita
submission voting
voting is closed.
introduction
title
Small step, big impact
short description
Make fertilizer for tree from daily wasted food or vegetable or fruits peel
comments
(public)
