This year marks the centenary of the eruption of the 20th century's most destructive volcano, Mount Pelee. The volcano was responsible for devastating the town of St Pierre in the Caribbean. Quentin Cooper speaks to volcanic hazards specialist Professor
Bill McGuire about why Mount Pelee was so devastating and what is being done to protect volcanic areas from eruptions of all sizes. Producer Ros Smith E-MAIL: material.world@bbc.co.uk