How can we improve e-waste collection and encourage reuse and repair? For over forty years now, behavioural sciences have provided concrete solutions to raise public awareness on a wide range of environmental issues. These approaches offer powerful models and theories that help motivate individuals to adopt eco-responsible behaviours. This knowledge is directly applicable to behaviours related to e-waste, such as recycling, reuse, and repair. This presentation will show you how we successfully improved smartphone collection rates by 45% using scientifically grounded methodologies. You will learn how to leverage these proven techniques to enhance your communications, strategies, and collection efforts, allowing you to tackle the e-waste challenge more effectively.