We aim to use simplified design to encourage the community to collect and utilize various types of recyclable waste from daily life as materials to create tidal energy devices. These devices will purify the water, extend green public spaces along the riverbanks, optimize energy distribution, connect aquatic and underwater life to form a new biosphere, and enhance the ecosystem’s ability to purify and regulate itself, promoting biodiversity. The devices are versatile and can proliferate along the East River, with the potential to achieve sustainable power supply and ecological balance through broader community participation in the future.