One Small Planet is a venture capital and philanthropic capital allocator backing early-stage climate, sustainability and technologies intended to reduce harm to living systems. Its venture activity includes seed and Series A investments, with examples of led and co-led seed rounds, across areas such as clean technology, energy, environmental services, waste management, materials, mobility and robotics. The firm invests in the United States and Africa and organizes its capital approach around Earth, Fire, Water and Air, with Fire described as its venture fund.