China is the world’s biggest producer of potatoes, which are crucial to global food security because of their high yield relative to other staple crops. But they are particularly vulnerable to heat, and climate change, driven by fossil fuel emissions, is pushing temperatures to dangerous new heights while also worsening drought and flooding.

A worker wearing a protective suit harvests potato tubers at a greenhouse under Yakeshi Senfeng Potato Industry Company, where seed potatoes are farmed through the aeroponics method, in Yakeshi, Inner Mongolia,

China is the world's largest producer of potatoes, growing roughly 22% of the global supply. Now scientists in the country are raising concerns about the impact climate change will have on this important crop,