Firstly, when different types of plastic are involved, a uniform mixture is impossible to achieve even by melting the plastic with heat.

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Melting pots only work with a heat source and a stirring spoon.

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By zapping the silicon with a laser it is possible to heat it, and cause it to form crystals, without melting the plastic.

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When building on permafrost in northern Quebec, non-profit group Archimede Systems had to take into account the melt-and-freeze cycles of the seasons, the need to insulate heat, prevent condensation, and the necessity to keep the home from melting into the icy ground during a thaw.

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Melting sea ice is unable to reflect the sun, and the revealed oceans absorb more heat, increasing temperatures.

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