Black carbon - the fine particles released by burning fossil fuels and biomass - is accelerating ice melting, disrupting ecosystems, and threatening public health. What do we know about its impacts, and what can be done? Joining the conversation are: Mario Acquarone, Deputy Secretary of the Arctic Monitoring and Assessment Programme (AMAP)David Hik, Vice-President Research & Chief Scientist, Polar Knowledge CanadaSrdan Dobricic, Joint Research Centre of the European CommissionStefa...