Recently, Indonesia's government announced a two-year moratorium on primary forest and peat land conversion as part of its commitment to reduce greenhouse-gas emissions.

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When the forest is on peat, as in much of central Kalimantan, Sumatra and Papua, the cost of Indonesia's messy land use becomes epic.

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Next to the park is a stretch of peat-swamp forest, mostly degraded but rich in carbon.

ECONOMIST: Banyan

Created by British florist McQueens, it will include "forest murmurs, " a woodland floor of peat moss, dusted with snow, with white hellebore (Christmas roses) underneath.

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