The most fair and effective counterclaim to the argument presented 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 directly addresses the environmental concerns associated with biomass production, highlighting the potential negative consequences of sourcing biomass from trees, which can undermine the benefits of using biomass as a renewable energy source. It presents a legitimate concern related to sustainability and environmental impact, making it a strong counterpoint to the argument in favor of biomass.