The most fair and effective counterclaim to the argument in the passage is:
Healthy ecosystems are forever destroyed when forests are cut down, which must be done in order to produce biomass from wood.
This counterclaim addresses a significant environmental concern associated with biomass production, specifically the impact on ecosystems and biodiversity. It challenges the idea that biomass is a purely clean and sustainable energy source by highlighting the negative consequences of sourcing biomass from forests. This argument is relevant and directly counters the claims made in the passage about the benefits of biomass.