Exactly how much should we care about future generations? It seems obviously wrong to say that we shouldn’t care about them at all. It also seems wrong to say that we should care about them as much as we do about ourselves. After all, they don’t even exist—at least not yet.

Can an action flick like Aquaman be philosophically interesting? Could it, for example, contribute to environmental preservation by actually motivating people to do something about oceanic pollution? Answering this question requires theorizing about moral motivation.

How much of today’s treasure is destined to be tomorrow’s trash? Are growing piles of trash the price we pay for progress? Or do our trashy habits amount to ecological terrorism? These are the questions we're thinking about in this week's show.

Thousands of posters, books, videos, and social media exhort us to take four minute showers, eat vegan, carpool, and recycle in order to slow global warming and save Planet Earth, and yet, we have to ask, do these individual efforts really amount to much?

You might not have thought it was possible, but there is now a computer game version of Walden by Henry David Thoreau designed to help foster a philosophical experience and learn to "live deliberately." It was released just in time for the 200th anniversary of Thoreau's birth.