Olive Heffernan is a science journalist with 20 years' experience as a reporter and an editor. Her writing on ocean science and climate change has been published in Nature, WIRED, Scientific American, National Geographic, New Scientist and BBC Wildlife, among many others. A marine biologist by training, she spent the early part of her career researching Atlantic fish stocks before leaving academia to pursue a career in journalism. She was founding chief editor of Nature Climate Change and chief editor of The Marine Scientist magazine and has also been an online news and opinion editor on climate change at Nature. In 2019, she joined the faculty of Johns Hopkins University as an adjunct lecturer, and in 2020 received a Giles St Aubyn Award for non-fiction from the Royal Society of Literature. She lives by the sea in Ireland with her husband and children.