Her workplace is most people's idea of a vacation paradise: the beaches of the Bahamas or the Galapagos Islands. Claire Reymond investigates the sand on the sea floor for the remains of microorganisms. They tell the paleoecologist about past and current climate change and how humans are influencing the world's oceans.
Read more: http://www.dw.de/program/tomorrow-today/s-3062-9798