Peter Thomson

Science, Tech & Environment

This is your brain on lead, and lots of other nasty pollutants

The water crisis gripping Flint, Michigan has exposed thousands of the city’s residents to dangerous lead levels. But Flint is hardly unique. Many other American cities have faced lead contamination in water supplies, and an expanding list of common substances, including some pesticides and flame retardants, may also be linked to significant developmental and neurological problems. Get the latest on this largely hidden crisis at a live forum from the Harvard T.H. Chan School of Public Health, PRI’s The World and WGBH.

Science, Tech & Environment

The protectors of the world's largest fresh water lake may be put out of business by a Russian court

A citizens' group devoted to protecting Siberia's Lake Baikal, the largest and deepest lake in the world, may be forced to close after being declared a "foreign agent." The court ruling follows a 2012 law forcing any group that gets foreign funding and engages in political activity to register as a foreign agent or face big fines.

Politics

Climate deal might have to wait

Hillary Clinton told the Climate Change Summit that the US was prepared to mobilize $100 billion a year for developing countries. Doubts grow over whether the summit will achieve its goals of cuts in emissions. The World's Peter Thomson is in Copenhagen.