This report provides new cost estimates for carbon sequestration through afforestation in the United States. We extend existing studies of carbon sequestration costs in several important ways, while ensuring the transparency of our approach. We clearly identify all components of our cost estimates so that other researchers can reconstruct our results as well as use our data for other purposes. Our cost estimates have five distinguishing features: (1) we estimate costs for each county in the contiguous United States; (2) we include afforestation of rangeland, in addition to cropland and pasture; (3) our opportunity cost estimates account for capitalized returns to future development (including associated option values) in addition to returns to agricultural production; (4) we develop a new set of forest establishment costs for each county; and (5) we incorporate data on Holdridge life zones to limit afforestation in locations where temperature and moisture availability prohibit forest growth. We find that at a carbon price of $50/ton, approximately 200 million tons of carbon would be sequestered annually through afforestation. At a price of $100/ton, an additional 100 million tons of carbon would be sequestered each year. Our estimates closely match those in earlier econometric studies for relatively low carbon prices, but diverge at higher carbon prices. Accounting for climatic constraints on forest expansion has important effects on cost estimates.

“I have never planted a tree in my life,” laughs Jairos Saunyama, a tobacco farmer, revelling at the absurdity of the question of whether he is involved in the country’s afforestation efforts. Sawunyama is one of thousands of farmers who are blamed by local conservationists for turning the country’s forests into deserts and dust bowls. […]

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The Comptroller and Auditor General (CAG) carried out a comprehensive performance audit on the diversion of forestland for non-forest purposes in Madhya Pradesh. The result: exposure of significant cases of violations and the virtual non-execution of compensatory afforestation measures. Himanshu Upadhyaya has more.