Reply United Airlines says it plans to reduce its greenhouse gas emissions by 100 percent within three decades. (Courtesy of Rick Uldricks) NEWARK, NJ — It may take 30 years to get there, but United Airlines has set its sights on a lofty goal: going "100 percent green" by 2050. On Thursday, the airline – which maintains a hub at Newark Airport – announced that it's pledging to reduce its greenhouse gas (GHG) emissions by 100 percent within three decades. According to the company, it's not going to rely on indirect measures such as carbon offsetting, which remains a controversial way of ...