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Evacuations underway after barge slammed into Pelican Island bridge in Galveston, causing oil spill; Regional program helps Chicago-area communities become 'EV Ready'; MI leaders mark progress in removing lead water lines; First Amendment rights to mass protest under attack in Mississippi and beyond.

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Speaker of the House Johnson calls the Trump trial 'a sham', federal officials are gathering information about how AI could impact the 2024 election, and, preliminary information shows what could have caused the Francis Scott Key Bridge crash.

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Americans are buying up rubber ducks ahead of Memorial Day, Nebraskans who want residential solar have a new lifeline, seven community colleges are working to provide students with a better experience, and Mississippi's "Big Muddy" gets restoration help.

Report: Biomass surpass emissions of other fossil fuels

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Tuesday, December 19, 2023   

Biomass and wood pellets, often touted as renewable or clean-energy alternatives to fossil fuels, may be far more costly for public health and air pollution than previously thought, according to a new report.

Mississippi is home to four wood-pellet mills, producing more than 2 million tons of pellets per year.

Edie Juno, forestry specialist for the National Wildlife Federation and co-author of the study, said bioenergy contributes 3% to 17% of total emissions from electricity generation, depending on the pollutant, despite only representing around 1% of total generation capacity. Additionally, its use raises concerns about potential health risks.

"Hazardous air pollutants, perhaps, and particulate matter, volatile organic compounds," Juno outlined. "We found that actually, compared to fossil fuel emissions, on average, the emissions from the bioenergy facilities are up to about three times higher for the same unit of energy generated."

Juno suggested policymakers can use the report to better consider the carbon implications of energy sources. While Mississippi aims for net-zero carbon by 2050, renewable energy remains limited, comprising only 3% of the state's power generation. Biomass dominates the sector, with solar trailing significantly.

Biomass appears to comprise a small portion of U.S. energy sources, expected to be 2% to 3%, but the study revealed many facilities are missing from current inventories, which suggests significant underestimation of the sector's actual emissions, meaning wider environmental effects on communities.

Sarav Arunachalam, professor and deputy director of the Institute for the Environment at the University of North Carolina, shed light on how it occurs.

"It's possible, based upon the prevailing winds, the pollution may be going away from where people live, but we don't know," Arunachalam acknowledged. "But the fact that we have over 2 million people in the U.S. living within a couple of kilometers of a facility, I think that's a big number you want to watch out for."

Arunachalam noted trees in the Southeast are the driving force behind a significant portion of the nation's wood emissions. The effect is concentrated in six or seven states, although the Pacific Northwest also contributes.

Disclosure: The National Wildlife Federation contributes to our fund for reporting on Climate Change/Air Quality, Endangered Species and Wildlife, Energy Policy, and Water. If you would like to help support news in the public interest, click here.


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