The Bower Award is made to individuals who have made significant contributions to understanding and quantifying perturbations of natural systems within the biosphere, atmosphere, or hydrosphere in the age of the Anthropocene. The award is a 14k gold medal and a cash prize of US$250 thousand. The competition is open internationally. Self-nominations are accepted. Notices of intent to nominate should be sent by 30 April 2019. The deadline for nominations is 31 May 2019. About the award