People ask, “Josh, do you really think you can make a difference?” or comment that what I or anyone does won’t matter. In the first part of this episode I describe how I think our environmental future will unfold—the outcome I consider most likely. It’s not pretty. I foresee a lot of gloom and doom about nature, but however much problems in nature, I think human reactions will be more[…] Keep reading →

What is Earth’s carrying capacity? Why is it important? Many ask how we will feed 10 billion people. Mathematician way of asking is if we can feed so many and if so how. Maybe we can’t. First, don’t want to know. While it depends on many assumptions that aren’t hard or measurable numbers, like standard of living, distribution of resources, and technology, we can say it’s maximum misery per person.[…] Keep reading →

My notes I read from for this podcast: What is Earth’s carrying capacity? Why is it important? Many ask how we will feed 10 billion people. Mathematician way of asking is if we can feed so many and if so how. Maybe we can’t. First, don’t want to know. While it depends on many assumptions that aren’t hard or measurable numbers, like standard of living, distribution of resources, and technology,[…] Keep reading →

A little over a month ago, I wrote in How long can I keep my fridge unplugged? how learning about fermentation and uses of electric power led me to see how long I could last in the winter with my refrigerator unplugged. Deciding to start First, I want to reiterate my process to decide to start the challenge. First the idea to try it came. Then I wondered if it[…] Keep reading →