When a volcano erupts there can be lava, ash, steam or gaseous emissions. Sometimes eruptions are explosive and lava is thrown out as volcanic bombs. Hotspots are places where the magma rises up ...

Complete Guide to Muir Woods National Monument near San Francisco, California including parking permits, things to do, h ...

Decades of industrialisation have polluted the waters of Italy's Mar Piccolo and brought mussel farming to its knees. Can ...