Contents

24 January 2020
Vol 367, Issue 6476

About The Cover

Cover image expansion

COVER Synthetic chemicals are important components of modern life, but the current system of global production, distribution, and disposal has, in many instances, caused damage to the environment and human health. Innovations in chemical synthesis, environmental monitoring, and analysis of exposure and risk will ensure that tomorrow's chemicals are less persistent, have greater potency, and move us toward a sustainable future. See page 378.
Illustration: Adam Simpson