Reduced Snowmelt Will Affect Drinking Water Supply For Two Billion People

Examining dozens of basins in the northern hemisphere that depend on snowmelt for water supplies, the authors of this article – The potential for snow to supply human water demand in the present and future – conclude that: “… that should greenhouse gas emissions continue along their recent trajectory… the risks of declines in snow resource potential exceed 67% in snow-sensitive basins, potentially impacting spring and summer water availability for nearly 2 billion people.” Among those areas to be adversely affected would be northern and central California and the Colorado basin area.


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