5 everyday foods that are making droughts worse

It takes an average 2,000 liters of water, 10 full bathtubs, to grow just one kg of avocados.

(CNN)Almost 5 billion people could struggle with water shortages by 2050 due to climate change, according to the United Nations.

Already, more than 25% of the world's crops are grown in regions with severe water shortages, according to the World Resources Institute.
In many countries, farmers tap into groundwater to irrigate their crops, particularly during periods of limited rainfall, and experts warn that irrigation is contributing to water shortages in drought-prone regions.
    Here, we look at five everyday water-intensive foods that are using precious water in areas where it is in short supply.

    Almonds from California

    About 80% of the world's almonds are grown in California. It takes 12 liters of water to grow just one California almond.