EU and U.S. agree to use cleaner air traffic system . The European Union and the United States said Monday they would cut emissions from aircraft by improving air traffic control systems. [News Source]

U.S. EPA concerns prompt study. Scientists hope to get a better handle on just how much livestock and poultry farms foul the air through a nationwide study that starts this summer. [News Source]

Cement plants want to turn gray to green. New regulations on greenhouse gases that passed by the state legislature last fall created a problem for local cement plants, one they now hope to turn into a profit. [News Source]

McGuinty launching green fund. Premier Dalton McGuinty will today launch a new $650 million fund encouraging manufacturers to build "cleaner, greener" cars and other products to curb climate change. [News Source]

Beware the spectre in the fireplace. In winter some people's thoughts turn to cosy nights in front of a wood fire. Others, perhaps, look to the chilly skies and wonder what all that smoke is doing to the environment. [News Source]

Swap plane for train - green call. Environmental campaigners have urged air travellers to swap planes for trains in a protest at UK airports. [News Source]

E3 BioFuels Genesis Plant to Launch on June 28 - Mead, Nebraska is Site of Nation’s First Closed-Loop Ethanol Plant (PR Newswire via Yahoo! Finance) E3 BioFuels-Mead, LLC invites the media to cover the launch of its high- efficiency Genesis Plant in Mead, Nebraska, at 11:00 a.m. on Thursday, June 28, to learn firsthand about the revolutionary closed-loop method of making ethanol without fossil fuels. [News Source]

EMTA Holdings Inc. Helping Cities Breath Easier (Market Wire via Yahoo! Finance) EMTA Holdings Inc., an energy, fuel and environmental conservation chemical company, today announced that its wholly owned subsidiary, Whitesands, LLC, is making positive progress in establishing XenTx® products as an innovative way to help major metropolitan areas reduce smog and other harmful diesel emissions produced by municipal fleets. [News Source]

Childhood asthma signs dangerously deceptive. Johanna Antrassian was sure her severely asthmatic son was doing well enough last year to talk to his doctor about cutting back on some of his daily medications. [News Source]

Older cars’ emissions go unchecked. Seven of the 32 states that test car emissions do not check vehicles built before 1996 models, allowing the oldest cars that spew the most pollution to stay on the road. [News Source]

Daley’s city not so ‘green’. Mayor Richard Daley vowed six years ago to make Chicago a leader in emerging efforts to fight global warming, but city government is churning out more heat-trapping pollution every year. [News Source]