News on the world's largest environmental cleanup
Office of Environmental Management
October 27, 2026
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EM Leadership Surveys Portsmouth Cleanup Progress, Paving Way for Reindustrialization and Energy Future
The U.S. Department of Energy’s Office of Environmental Management is accelerating cleanup and creating new opportunities for energy development and economic growth. 🏗️
Assistant Secretary for Environmental Management Tim Walsh recently met with workers, union representatives and community leaders to highlight cleanup progress and more than $33 billion in planned investment supporting future energy and industrial development. Read the full story to learn how collaboration and cleanup achievements are helping transform legacy nuclear facilities into opportunities for America’s energy future.
Hanford’s Tank Side Treatment System Sets New Record, Readied for Next Batch
The U.S. Department of Energy’s Hanford Site has set a new record in radioactive tank waste treatment 🏆
The Tank-Side Cesium Removal System processed more than 222,000 gallons of radioactive waste in a single batch, the largest since operations began in 2022. The milestone highlights continued progress in safely treating legacy waste and advancing long-term cleanup efforts. Read the full story to learn how innovative treatment technologies and dedicated crews are moving the cleanup mission forward.
Community Forum Updates Public on Los Alamos Legacy Cleanup
The U.S. Department of Energy’s Environmental Management Los Alamos Field Office recently hosted a public cleanup forum to share progress on legacy waste management and environmental protection efforts. 🤝
Leaders highlighted a record 89 transuranic waste shipments in fiscal year 2026, a 107% increase from the previous year, along with ongoing groundwater monitoring and remediation efforts. Read the full story to learn how collaboration, environmental data and community engagement are helping advance the cleanup mission.
Oak Ridge Ingenuity Lends a Hand to Avert Cleanup Delay
Innovative problem-solving is helping the U.S. Department of Energy’s Office of Environmental Management save costs and keep critical cleanup work on schedule. 🛠️
When specialized equipment failed during the removal of highly radioactive materials, crews developed an in-house repair solution that avoided up to six months of delays and eliminated the need for costly replacement equipment. Read the full story to learn how workforce ingenuity is advancing safe, efficient cleanup while maximizing taxpayer value.