It's not just you: labels like organic, natural, grass-fed, humanely raised, and pasture-raised really are confusing, an expert confirms.
Meat alternatives are getting lots of press and investment, but expert David Lobell isn't anticipating a big impact on sustainability.
Milk, including horse milk, helped prehistoric people expand across the Eurasian steppe during the Bronze Age, say researchers.
The remains of Bronze Age warriors suggest lactose tolerance, or the ability to digest milk, spread rapidly throughout Central Europe.
Cutting half of the animal-based food in US diets would be equivalent to cutting the annual emissions of 47.5 million passenger vehicles.
Traces of milk in ancient pots indicate that east African herders were consuming dairy 5,000 years ago.
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