CompostKaki

The Problem

Singapore generated 750,000 tonnes of food waste in 2023 — equivalent to over 30,000 public buses — yet only 18% was recycled. Most of it ends up incinerated or in landfills like Semakau, which is projected to be full by 2035. Organic waste in landfills decomposes anaerobically, producing large amounts of methane, a potent greenhouse gas. Incineration also emits greenhouse gases and harmful toxins.

Composting is a low-emission alternative that transforms organic waste into nutrient-rich soil while also sequestering carbon. However, community composting efforts often face challenges with coordination, inconsistent practices, and volunteer burnout — leading to suboptimal outcomes and missed environmental potential.

Our Solution

We’re building a digital journaling platform to support and scale community composting. Each compost pile becomes a collaborative project where volunteers can log actions (Like adding materials or turning the pile), track key conditions (Such as temperature and moisture), and stay aligned through a shared timeline.

To strengthen collaboration, the platform also allows members to request help — such as food scrap donations or assistance maintaining a pile. This fosters shared responsibility and deeper community engagement around composting.

By making composting more standardized and scalable across the island, we enable a broader and more sustained effort to tackle food waste locally.

Compost Kaki Platform

Meet the team

Team Compost Kaki

Team members:

• Meijuan - Community Builder

• Swann - Backend Engineer

• Magenta - Front-end Engineer

• Sumit - Full-stack Developer

• Si Hui (Ariel) - Product Manager

Supported by Mountbatten CIT