How supersized portions cost the earth

A recent study shows 50 percent of all food produced on the planet goes in the trash.

Even more disturbing, 90 percent of water consumed in the United States is for animal and crop-related farm uses. That means food waste accounts for more than a quarter of our total water consumption. In short, water that is needed for farmland and animals becomes a wasted resource when uneaten food gets thrown away.

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A study conducted last year analyzed the climate change and economic impact of food waste in the U.S. to calculate greenhouse gas emissions due to thrown out food. The results were appalling. It found that food waste in the U.S. exceeds 55 million tonnes per year, which produces life cycle greenhouse gas emissions of at least 133 million metric tonnes and costs $198 billion.

But this isn’t just an American stereotype played out.

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