In Bolivia, water and ice tell a story of a changing climate.

The glaciers that have long provided water and electricity to parts of Bolivia are melting and disappearing, victims of global warming, most scientists say.

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Wash Clothes in Cold Water

Most of the energy used to wash clothes, around 90%, comes from heating the water, which is why the US Department of Energy recommends that clothes be washed in cold water, using cold-water detergents when possible.

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