alpa is the world's largest official airline pilots union. with more than 52000 members who fly for 31 airlines, in the united states and canada. i'd like to give alpa's view on the epa proposed finding regarding greenhouse gas emissions and its advanced notice of public rulemaking. but first, however, i'd like to provide some context about why we are passionate about this subject. i will also talk about the positive difference to use airline to make and reduce emissions while safely transporting one and 2 million passengers and more than 63,000 tons of freight and mail each day. airline pilots literally sit at the intersection of technology. aircraft operating procedures, traffic control procedures and techniques and varying aircraft capabilities. this gives us a unique vantage point from which to manage our aircraft capabilities in such a way as to burn less fuel while operating as safely and efficiently as possible. alpa's principal goal is to further the advances in aviation has already made toward reducing greenhouse gas emissions, and i