Ma Jun developed the China Pollution Map, China's first environmental public database, and the Blue Map, a mobile app that helps the public report environmental violations.

Why you should listen

Ma Jun began his career in 1993 working for the South China Morning Post, where his research on China's environmental problems spurred him to publish his 1999 book China's Water Crisis. In 2004, he was selected as a Yale World Fellow, and in 2006, he founded the Institute of Public and Environmental Affairs (IPE), a nonprofit in Beijing. He and his colleagues have initiated a green supply chain, green finance program and public supervision, motivating more than 16,000 companies to openly address their violation problems or disclose emission data.

More news and ideas from Ma Jun

Live from TEDMonterey

Climate hope: Notes from Session 4 of TEDMonterey

August 3, 2021

The scale of the climate crisis is so daunting that it can be easy to get dragged down into pessimism. But at Session 4, six speakers — call them unexpected heroes of the future — told a different story of how we might beat this thing. They speak on an exciting range of phenomena and […]

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