In Depth: How ‘Clean Coal’ Might Be Poisoning Villagers in North China

While out driving on a frigid November morning in western China, trucker Guo Lisuo received a call from his 9-year-old daughter back in North China’s Hebei province. “I can’t find Mommy,” she said.

Guo told her not to worry. His wife, Wang Lixia, commonly checked on the family’s pigs at that time. He told his daughter to go look for her in the yard and call him back.