ETS
- Market Based Approach to Reduce Worldwide Greenhouse Gas Emissions Approved by United Nation's Aviation AgencyPosted on October 17, 2013 by Van Hilderbrand
- ICAO Council Compromises on International Aviation EmissionsPosted on September 11, 2013 by Van Hilderbrand
- Aviation Industry Considers the Use of More Biofuels to Cut Emissions and Reduce CostsPosted on November 8, 2011 by Van Hilderbrand
