The topic of 'Product Lifetimes' is central to the discussions in the provided podcast episodes, which explore policies and strategies for enabling the repair and longer lifetimes of electronics and other products.

The episodes feature examples of circular business models and entrepreneurial initiatives that maximize resource value through repair, reuse, and recycling, as discussed in Circular Business Models and Entrepreneurship in a Circular Economy with Katherine Whalen.

Another key focus is on the role of policies like extended producer responsibility (EPR) and eco-design regulations in incentivizing product longevity, as explored in Creating a Circular Economy for Electronics with Jessika Luth Richter.