We develop an endogenous growth model to address a long standing question whether sustainable green growth is feasible by re-allocating resource use between green (natural) and man-made (carbon intensive) capital. In our model, final output is produced with two reproducible inputs, green and man-made capital. The growth of the man-made capital causes depreciation of green capital via carbon emissions which the private sector does not internalize. A benevolent government uses carbon taxes to encourage Örms to substitute carbon intensive man-made capital with green capital that the production technology allows. Doing so, the damage to natural capital by emissions can be reversed through a lower, but socially optimal long run growth. This trade-off between environmental policy and long-run growth can be overcome by a combination of an investment in pollution abatement and higher total factor productivity
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