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This article was pretty light, but it does raise a more interesting question that most of us face every day:
* How do we decide where we draw the line between comfort/convenience and environmental values?
We all make choices for ourselves - if you're reading this article it's probably because you're someone who considers the environmental impact of your actions along with other considerations of cost, convenience, etc.
Mark writes about redrawing his line for more comfort, with a subtext of what's the reality vs. perception of making transportation choices.
This could be a deep topic... very few of us are living in a cobb house, powered by solar, watered with captured rainfall and 100% fed from our organic garden. How do we decide which tradeoffs to make with our lives?