Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii, the world's most active volcano. They broadcast from the edge of the summit crater.

Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. They broadcast from the site of the 1969 Mauna Ulu eruption.

Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. They explore how our active planet triggers eruptions, earthquakes and tsunamis.

Kate Humble and Professor Iain Stewart present live from Kilauea on Hawaii. Broadcasting from the summit crater, they look to the future of volcanic forecasting.