The Zoological Society of London (ZSL), the Arribada Initiative and OpenPlant have launched a competition for designing and prototyping a plant-MFC (microbial fuel cell) system able to power camera trap in remote locations.
All the details are available in this link: https://www.wildlabs.net/plant-powered-camera-trap-challenge
Take up the challenge – there is £10k on offer. Deadline 30 Apr 18.