Nominations are being accepted for the 2021 Dreyfus Prize in the Chemical Sciences, sponsored by the Camille & Henry Dreyfus Foundation. The prize is awarded to an individual in a selected area of chemistry to recognize exceptional and original research that has advanced the field in a major way. This year’s topic is Environmental Chemistry. The prize is awarded every other year and consists of a certificate, a medal, and a monetary award of $250,000. The deadline for nominations is Dec. 3. For more information, visit www.dreyfus.org/dreyfus-prize.