The solar-powered listening posts detect illegal loggers and poachers in remote areas.

Illegal logging continues to devastate vital stretches of land around the world, and much of it can only be detected days or weeks after it happens. In an effort to respond faster, the Rainforest Connection (RFCx) has come up with the idea to upcycle Android smartphones into solar-powered listening devices that can detect the sound of chainsaws in real-time. They would also be able to detect gunshots and animal distress calls, making them just as effective at catching illegal poaching.

The plan is to hide the listening posts in the forest canopy, away from the eyes of illegal loggers and poachers. Thanks to the fact each device is made from an upcycled smartphone, and the solar panels are made from discarded crystalline silicon fragments, the initiative will also help to tackle the mountains of e-waste that continue to pile up around the world.

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