The Centre for Biological Diversity has lost its appeal to a northern Californian county’s planning authorities over the building of a massive cogeneration plant.

Shasta County supervisors rejected an appeal from the San Francisco-based environmental group towards the plant, which is set to be built in Anderson.

According to, plant owner Sierra Pacific Industries will now go ahead and construct the 31 MW biomass cogeneration plant.

The Center for Biological Diversity had maintained the material burned on-site would be detrimental to air quality in the area, but the plant’s environmental impact report said biomass plants are “carbon neutral” because the wood burned would still produce the same chemicals when it naturally burns or decomposes in the forest.

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