Snow-Making For Skiing During Warm Winters Comes With Environmental Cost
Professional skiers and resorts in Aspen face a problem this season: deal with patches of dirt caused by warmer temperatures or make the climate worse by making and moving artificial snow.
Đọc tiếp trên NPR
February 18, 2018 at 05:21AM
Environment
Chủ Nhật, 18 tháng 2, 2018
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