Want to save the US economy? Go on a diet.
That's the message ecologists are trying to get across this week. They say the apparently looming energy crisis could be averted if US residents cut their calorie intake.
David Pimentel of Cornell University and colleagues have drawn on an extensive body of existing studies to highlight the wastage in the US food production chain. To bring their point home, they have estimated how much energy could be saved by making a few relatively simple changes to...Full Story