(ETH Zurich) An international team of researchers has conducted a global review of all registered industrial chemicals: some 350,000 different substances are produced and traded around the world — well in excess of the 100,000 reached in previous estimates. For about a third of these substances, there is a lack of publicly accessible information.

Original source: https://www.eurekalert.org/pub_releases/2020-02/ez-ucd021420.php