The European Union is falling behind on measures to safeguard human health and the environment against risks posed by chemicals, potentially jeopardizing a series of goals that the bloc set itself for 2020, EU environment ministers warned Dec. 19.

In particular, the European Commission, the EU’s executive arm, has missed deadlines for taking measures on nanomaterials, endocrine disruptors, the combination effects of chemicals and harmful substances contained in products, the ministers said in a communique issued after a meeting in...