Flexible long-haul flight routing could save fuel and lower carbon emissions, according to the International Air Transport Association.
Robotic, insect-scale devices may one day monitor and explore hazardous environments, such as collapsed structures, caves and chemical spills.
A U.S. Chamber of Commerce spokesman said that the federal agency is trying to fix flexible permitting, but the process was not broken.
One company minimizes odors from the start by quickly processing organic materials into the composting cell and employing covered aerated static pile technology.
Set your calendar for 11:45 a.m. EDT on Sept. 14.
In one example, the Texas Commission on Environmental Quality did not allow adequate review of impacts on total air pollution levels should changes in the Pollution Control Project Standard Permit be approved, the federal agency reported.
By 2016, the state will require refiners to produce oil with a maximum sulfur content standard of 15 parts per million; the current standard is 2,000 to 3,000 parts per million.
The Department of Transportation and EPA are offering two proposals for public comment: a letter grade to communicate a vehicle’s overall fuel economy and greenhouse gas emissions performance or a label similar to the current one that uses miles per gallon but adds comparison data on fuel economy and emissions.
Some members of the Society of Chemical Manufacturers and Affiliates say the EPA's proposed emission limits are unachievable.
CH2M Hill to implement the technology for the second largest U.S. coal producer.
The specialty chemicals producer last year filed for bankruptcy and, at that time, was potentially responsible for cleanups at Superfund sites in 14 states.
"We're trying to learn how biochemical molecules that microorganisms produce can attack mercury that is bound to natural organic matter and minerals, and release it back to the water," explained Kathryn Nagy, a University of Illinois professor.
These priorities will guide the agency's collaboration with the Commission for Environmental Cooperation and other international partners.
In addition to recouping $2.7 million in cleanup costs, the complaint includes claims against C.A.I Inc. and Arnel Company, and two related owners of Clean Air Act General Duty Clause violations.
The Transport Rule would cut power plant pollution, including fine particulates, which draft across the borders of 31 eastern states and the District of Columbia.
The owners of Middlesex County and Edgeboro landfills in New Jersey agreed to enhance environmental controls and conduct regular monitoring in a settlement this week.
Existing and new manufacturing facilities may need to install controls such as activated carbon injection to address mercury emissions and comply with Clean Air Act regulations.
In the first enforcement case concluded against the mining and mineral processing industry, EPA is requiring the company to implement comprehensive waste containment and spill prevention measures, reconfigure scrubbers and construct a treatment system for hazardous wastes generated in fertilizer operations.
The Massachusetts Bay Transportation Authority and the Massachusetts Bay Commuter Railroad Company will have to install anti-idling equipment at all of its end-of-line stations and maintenance facilities.
Samples from high- and low-income areas of San Francisco showed that 32 chemical compounds, some of them suspected or known endocrine disruptors, were more prevalent in indoor air than outdoor air.