Sacramento Bee: Re “We can harness green energy by managing California forests” (Viewpoints, June 6): In their May 17 letter to congressional leaders, 90 prominent scientists confirm that biomass energy can cause harm to our forests and our climate, showing that claims of benefits from biomass energy are false claims. Biomass energy production will cost more energy and produce more damage to the forests and climate. Forestry regulations and tax policies that encourage biomass energy will only …