Four months after application, biochars reduced nitrous oxide emissions by up to 73 percent and lowered ammonium leaching by up to 94 percent.
The agency's second round of testing confirms that dispersants available for spill management have similar toxicities.
Bioremediation of ash ponds has the potential to reclaim the contaminated environment and return it to a more natural condition.
- By Bedanga Bordoloi, Etali Sarmah
District court jury awarded ADA-ES $12 million for damages related to unpaid commissions and a memorandum of understanding that Calgon Carbon says was terminated nearly a year earlier.
The agency is reviewing air toxics standards and two new source performance standards and invites the public to comment at an Arlington, Texas, meeting on Aug. 2.
EPA has published industry information on 2009 emissions the same month that the information was collected.
The Chemical Safety Board completed its report on the 2009 explosion at Veolia ES Technical Solutions' plant in Ohio and recommended the Center for Chemical Process Safety revise control room siting guidelines.
The rural electric cooperative, which will upgrade controls at two coal-fired plants in Indiana, will pay a $950,000 penalty and spend $5 million on environmental projects.
Advances in productivity over the past 30 years have reduced the carbon footprint and overall environmental impact of U.S. beef production.
Net car sharing emissions are negative and statistically significant for both the observed impact and full impact, researchers say.
Los Angeles Harbor, University of Houston, Puget Sound Clean Air Agency, University of Houston and South Coast Air Quality Management District are recipients.
Selective catalytic reduction may not be working effectively, according to tests by EnSIGHT, an environmental consulting firm.
Three different federal agencies are monitoring air quality in and around the spill for the environment and worker health.
Two New Bedford Harbor fishing piers will install marine power pedestals that will provide electricity to vessels, eliminating the need to idle diesel engines and thereby lower emissions of particulate matter and other gases.
The Barnett Shale Energy Education Council hired Titan Engineering to evaluate emissions near Fort Worth and Arlington.
The Environmental Integrity Project, Texas Campaign for the Environment and Environment Texas filed a notice of intent to sue to the Lower Colorado River Authority for its Fayette Power Project's inability to even meet flexible air permit standards.
After inspecting five construction projects in Maricopa County, Ariz., county officials found particulate matter violations.
The Birmingham, Ala.-based, cast iron pipe manufacturer will answer to 400 violations of environmental laws over the last 10 years with a $4 million fine, $9 million in supplemental projects, and more than $7 million for corrective measures
GEI will monitor vapor phase, fugitive dust and odor emissions, reporting the results to the project management team for implementation of appropriate control and mitigation measures.
Joseph LaDou says discontinuing the global use of all forms of asbestos, including chrysotile asbestos, would prevent all asbestos-related diseases.