New tool allows travellers to view tickets in order of carbon emissions

Travellers can book flights, hotels and rental cars via chat or email

United could place passengers who don't comply on a travel restriction list

Scandinavian carrier to operate up to four weekly flights to the South Korean capital

Hotel rates could rise by as much as 17.5 per cent in some cities as tight supply pushes the average cost of a room upwards    

Move is designed to help clients tackle the problem of programme “leakage”  

Multi-year deal to include NDC content and servicing

Belgian rail operator to commence new service in December