On the financial viability of negative emissions

Climate mitigation will have significant impacts on government spending necessary to finance large-scale deployment of Negative Emission Technologies (NETs). The required expenditure might consume up to a third of general government expenditure in advanced economies. Recent publications have raised concerns regarding the actual feasibility Negative Emission Technologies (NETs). Here the authors commented on the financial viability of large-scale late century NETs and suggested that expenditure peak will occur in the end of the century, which would require massive global subsidy program.