The mountain is a giant, putrid layer-cake, with dozens of strata of rubbish separated by soil and plastic liners designed to contain the brew of noxious chemicals that would otherwise leach into groundwater.
ECONOMIST: A history of waste
If we were doing it again now, the material would be taken out in its soil matrix, put in a plastic bag and kept cool.
BBC: NEWS | Science/Nature | Team widens search for 'Hobbits'
Black polyethylene mulching involves the plants growing through holes in plastic sheets that cover the soil.
ECONOMIST: Genetic technology supports sustainable farming
That is why dog-loving Frenchmen let their pets soil the pavements, while dog-loving Americans carry plastic bags.
ECONOMIST: In love with regulation
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