Dr Sabine Fuss is in broad agreement with Prof. Brent Sohngen’s analysis of costs and benefits associated with the climate change mitigation options offered by forest carbon sequestration. She summarizes the assessment paper’s approach and conclusions, highlights the most important findings, and identifies gaps and their implications for the calculations. Fuss's conclusion coincides with the findings of Sohngen, who claims that forest carbon will be needed as part of a strategy to mitigate climate change.