But that still left the price of a tonne of carbon dioxide comfortably above its lowest level last year.
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Prev: From ancient oak forests to centuries-old groves1 of ash or beech2, they provide a refuge for wildlife, including butterflies, birds and insects, and lock up millions of tonnes of carbon.
Next: The $200 price is in line with current analysts' expectations after spot prices surged to $220-$240 a tonne.
