Articles Tagged with “Narwhal”

1 Article found tagged with “Narwhal”.

  • Narwhal Tusks Reveal Pollution Threat

    Scientists have been studying the tusks of narwhals in the Arctic. They reveal that their exposure to toxic pollutants like mercury has increased since the 1960s due to sea-ice decline and human-caused carbon emissions.

    By Alex Taylor on 23rd June 2021