What is Nature Worth?

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I discovered the work of Robert Costanza that asks “What is nature worth?” Costanza attempts to put a dollar value on global ecosystem services recently while listening to a Radiolab episode called Worth. I’m not sure how I feel about this kind of work. It may benefit us in the short term to describe ecosystem services […]















Permaculture Principle: Apply self-regulation & accept feedback

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In this series I am working through the twelve permaculture design principles articulated by David Holmgren in his Permaculture: Principles and Pathways beyond Sustainability. Today  we’re going to take a look at the fourth principle: 4. Apply self-regulation and accept feedback: We need to discourage inappropriate activity to ensure that systems can continue to function well. The […]















Interstellar: Less Than Stellar Movie on Climate Change

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As a parent of three young children I don’t often make it to the movie theater. I’m not usually aware what is even in the theaters unless it involves singing chipmunks, snow queens or talking toys. So, it was a minor miracle this weekend that I was invited to see Interstellar with some friends of […]















Watershed Discipleship: An Ethical/Theological Framework

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I recently made a presentation at Texas Lutheran University’s Krost Symposium on Environmental Justice with the title Watershed Discipleship: An Ethical/Theological Framework. Unfortunately the video does not include the images and graphics from the powerpoint I used which was a big part of the presentation.















And Now For Some Good News…

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America’s population and economy are both growing, yet its energy appetite is falling. That’s because of substantial energy-efficiency gains made in recent decades.Those gains are helping the country reduce oil imports, save money on power bills, and move toward meeting a goal set by President Obama of reducing greenhouse gas emissions by 17 percent between 2005 […]















How to divest from fossil fuels

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What if you want to root out petroleum investments in your own life? Could you? Granted, your contribution may be small as ever, but divestment is picking up steam. It got name checked by the president during his now-legendary Sweaty Forehead Speech, and it’s getting attention from the mainstream media. Here’s The New York Times […]















Data farm: MacArthur genius looks for food solutions from space

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MacArthur genius using satellite data to get a space-eye view of our food system. So, for example, Lobell and his collaborators have been able to show how global warming is stunting major food crops. Depressing findings like this have a practical side: They show plant breeders and farmers the kind adaptations they need to be […]















Wasted food is a huge climate problem

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If wasted food became its own pungent country, it would be the world’s third biggest contributor to climate change. The United Nations Food and Agriculture Organization had previously determined that roughly one-third of food is wasted around the world. Now it has used those figures to calculate the environmental impacts of farming food that is never […]















One weird trick to fix farms forever

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As always I’m skeptical of silver bullets, but mimicing Mother Nature is not a silver bullet. It’s a complex interaction of diverse species and cycling nutrients the way the earth was made (or has evolved) to. It’s only a “weird trick” because we’ve done it the wrong way for so long. “Our cover crops work […]