challenge. offering discounts. that s a huge challenue. . ,, ., challenge. navin singh khadka, the bbc world service s challenge. navin singh khadka, the bbc world service s environment i bbc world service s environment corresponded, thank you forjoining us on newsday. in our latest film for the bbc s life at 50 degrees series, we have travelled to the colorado river, which once ran through from the us down to mexico. but for years now, the river has dried up long before it reaches the sea. traditionalfishing communities are being put at risk, whilst at the same time, rising temperatures are threatening lives in mexico s cities. alejandra martins has sent this report. this used to be water. for years now, it s been dust. the colorado river used to be the lifeblood of this community. because of climate change, there is less water to go around and most of the rest is used upstream for agriculture.
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