Vaclav Smil takes his usual clear-eyed view of the whole landscape, from meat's role in human evolution to hard questions about animal cruelty.

从肉在人类进化过程中扮演的角色到虐待动物的残酷性问题。

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As part of this effort, I made a pilgrimage to Manitoba to spend a day with Vaclav Smil.

FORBES: Renewable Energy's Sixty Years Of Broken Dreams, But Keep Those Ideas Coming

"Biodiesel is the same thing as ethanol, but just on a smaller scale, "says Vaclav Smil, a University of Manitoba professor and author of Energy at the Crossroads.

FORBES: Ethanol, Meet Biodiesel