Delta to invest $1 billion to cut carbon emissions

Delta said the money would go into things such as boosting fuel efficiency and investing in efforts to remove carbon from the atmosphere by planting trees and restoring wetlands.

Sun Country Airlines CEO: 'We still have a great operation'

After a series of major issues with customer service and situations where passengers were left stranded in Mexico, the CEO of Sun County Airlines answered questions Monday about the future of the Minnesota-based carrier.