Special Report - The California Carbon Rush (Hold the Eureka!) - Reuters

This new market will rapidly expand, beginning at just under $2 billion (1.2 billion pounds) and rising to nearly $10 billion in 2016, according to estimates from Point Carbon, a Thomson Reuters company focussing on carbon markets.
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That's why Point Carbon is forecasting that prices will jump to between $69 and $87 per ton in 2020, sufficient to tap a containment reserve of credits that the state had hoped would be an unofficial ceiling on the market.