Contents Regular Columns Due South, December 2020 President’s Message, December 2020 Editor’s Message, December 2020 Features Radon Action Month: Awareness Through Education Annual Dose Contributions of Typical Indoor Radon Levels (Part 1) Interview with Karen Owen-Whitred, Canadian Nuclear Safety Commission Let’s Be Clear: Practical Advice to Help Scientists Write with Confidence Product Review: A Surveyor’s Best Friend—How a Handheld Isotope Identifier Can Solve Radiation Mysteries