Iconic environmentalist Bill McKibben discusses the history of climate change, as well as the challenges and opportunities of the environmental movement.
Trevor Bedford, a Fred Hutch scientist, was one of the first people to explain COVID-19 to the public. Thousands of Twitter followers and a MacArthur grant later, he reflects on what he learned.
In conversation with PBS NewsHour host Judy Woodruff, the president's chief medical adviser discusses recent data on the pandemic, the future of variants and political polarization.