Category Archives: Limits to Growth

Limitations on economic output due to resource constraints.

Interview: Why the environmental issue is important for vegans

Last January 21, the KPOV show “All Things Vegan” aired an interview of me in which we discussed a number of issues, the most important of which is why the environmental issue is important for vegans. The following clip gives the segment of the show which interviews me (it’s about 17½ minutes long).  Click the picture below to listen to the interview.  (EDIT: This link was broken, so I have replaced it with the link to the “All Things Vegan” show. The interview with me starts at about 40:25).

 

Peak Animals

A key cause of climate changeA lot of the questions people have about the WorldWatch article “Livestock and Climate Change” (Robert Goodland and Jeff Anhang, in the November / December 2009 WorldWatch) comes down to a simple problem: it’s difficult for many people to wrap their brains around what the authors are saying. All they see is something about livestock and a jumble of data. Maybe this is the way we should leave it, so that only the serious scientists will consider the idea. But the spread of an idea depends on its making intuitive sense. Here’s how I would pitch their thesis: you’ve heard of peak oil, the time of maximum production of oil on the planet. This is peak animals. We have an unprecedented (and unsustainable) amount of animal biomass on the planet, and climate change is just one of the symptoms. Continue reading