Policy brief by marine scientists (IMAGE) Senckenberg Society for Nature Research Caption In a new policy brief presented at COP15, world leading experts warn that over 90% of marine species are undescribed and many may go extinct due to human activity before they’re discovered — the loss of unique, potentially valuable genetic resources resulting in unpredictable effects on global ecosystems essential to human food supplies and climate regulation. Credit Senckenberg Research Institute and Natural History Museum Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.