Air pollution remains high globally and urban areas are expanding, showing a more comprehensive effort is needed on the environmental front, the OECD said. “While there are signs of greening growth, most countries show progress on just one or two fronts and little on the others,” OECD Environment Director Simon Upton said in a statement Tuesday. The Organization for Economic Cooperation and Development found half of its 35 member states have decoupled emissions from growth, meaning gains in carbon dioxide emissions no longer increase in tandem with gross domestic product. Few member states, however, have completely broken the link between growth, fossil fuel consumption and emissions. In a report published Tuesday, the OECD found less than 30 percent […]