Tibetan protestors have gathered in Sichuan, China, to request that officials halt the construction of a hydropower dam. Locals claim the project threatens cultural sites that hold historic significance to Tibetan communities.

On this episode of "Zoom In Zoom Out," TaiwanPlus reporter Sally Jensen speaks to Lobsang Yangtso, an environmental researcher for the International Tibet Network. We first zoomed in on the February protests in Dege County, then zoomed out to discuss greater environmental issues faced by the Tibetan plateau.