Noro Ravoavahy, Conservatoire national des arts et métiers (CNAM)
Mayotte is no exception to the adage “small islands, big problems”. A newly born volcano combined with poor land management and accelerating climate change has put its fabled lagoon at risk.
Sonar scans of the Indian Ocean floor south of Christmas Island have revealed a Tolkeinesque landscape of towering peaks, ashen uplands and ominous volcanic craters.
Our expedition drilled into the recently discovered underwater continent of Zealandia, revealing a new picture of the violent geological forces that created it.
When you study volcanoes at mid-ocean ridges, doing fieldwork means becoming an aquanaut – diving thousands of feet to the ocean floor in the submersible Alvin, trading tight quarters for amazing views.
In January 2011, aboard a scientific drilling ship in the Pacific Ocean, I witnessed an enigmatic green flash before sunrise. This optical phenomenon has been recorded to occur if the conditions are just…