Four public hearings took place at the end of July. By then, about 300,000 comments already had been submitted.
The CASCADE system has been pilot tested in the Rome and Milan airports and will save them $1.1 million per year, the European Commission announced July 28.
A federal appeals court has sided with the EPA to uphold a policy to scrutinize pollution from severe mountaintop removal mining in Appalachia, helping protect the waters and surrounding communities.
The EPA is proposing updates be made to air standards for new municipal solid waste (MSW) landfills, which would reduce methane emissions and overall pollution.
In order to help combat the high amount of pollution and smog that China is currently facing, the Chinese government is planning to remove six million high-emission vehicles from the road.
The European Union's greenhouse gas emissions continued to fall in 2012, as a 1.3 percent decrease cut emissions to 19.2 percent below 1990 levels, according to official data from the European Environment Agency (EEA). This puts the EU within reach of its 20 percent reduction target, with eight years to go until the 2020 deadline.