There are volcanoes we know about and volcanoes we don’t know about. Both types can influence changes in ship transportation. There are active volcanoes that spew fumes into the atmosphere and release red-hot molten lava across the East Indies. The volcanoes of Hawaii spew molten, red-hot lava that flows toward the sea where it solidifies … Continue reading Are Undersea Volcanoes a Cause of Melting Sea Ice?