Fellow Story
Hsu quoted in Mother Jones article on Beijing's air quaily improvement
"I think these trends are very positive," said Angel Hsu, an assistant professor at Yale University who studies China's environmental performance. But she warned that any statistics emanating from the Chinese government—the source of the pollution data analyzed by Greenpeace—should be taken with a grain of salt. "When you talk about any Chinese data, you're always a little bit suspicious," said Hsu, who was not involved in the Greenpeace study.