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ORNL ecosystem scientist Colleen Iversen talked to fourth-grade students at Coulter Grove Intermediate School in Maryville on Friday, April 23, as part of National Environmental Education Week.

Esther Parish is one of eight scientists from the Department of Energy's Oak Ridge National Laboratory talking to students in nine schools across East Tennessee as part of National Environmental Education Week, or EE Week.

stacked poplar logs

Popular wisdom holds tall, fast-growing trees are best for biomass, but new research by two U.S. Department of Energy national laboratories reveals that is only part of the equation.