I really enjoy David Ropeik’s blog on “How Risky Is It?” ┬áHis latest is on why the past wasn’t so great and why we shouldn’t try to replicate it:

The Paleo Movement: The Naivete of Idealizing the Past

“We think that we can clean up the mess of the present by going back to the past.”

I’ve blogged before about how inevitable change is and that “sustainability” – a never-changing utopia -isn’t really what anybody should want.

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