How could climate change alter our diets?

As climate change alters rainfall and temperatures, and provokes heat waves and droughts, the quality and quantity of crops suffer. Such changes to yields could significantly jeopardize food security for the world's growing ...

Locals try to save threatened, traditional 'Mexican caviar'

In a shallow lake on the outskirts of Mexico City, a handful of farmers still harvest the eggs of an evasive, fingertip-size water bug in a bid to keep alive a culinary tradition dating at least to the Aztec empire.

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