At least 60 dead seals have been discovered along beaches of the Bering Sea and Chukchi Sea in northwestern Alaska, and scientists are trying to determine what caused their deaths, the National Oceanic and Atmospheric Administration (NOAA) said on Wednesday.
Australia’s Marine Climate Change 2012, released on Friday, provides evidence of a large-scale redistribution of marine species in ecosystems around Australia. Dr Elvira Poloczanska, who led the study, says there's a lot of uncertainty about the long-term impacts.