Delve into China's bold plan to construct the world's largest hydroelectric project in Tibet's Yarlung Tsangpo Grand Canyon. Uncover the intertwined issues of biodiversity, regional tensions, and geopolitical stakes as this project raises concerns about water security for over a billion people downstream. We explore the balance of renewable energy potential and ecological risks inherent in this ambitious endeavor. Sources: Inside Climate News, Yale Environment 360, Columbia Climate School.