Six countries produce nearly 60 percent of global carbon dioxide emissions. China and the United States combine for more than two-fifths. The planet's future will be shaped by what these top carbon polluters do about the heat-trapping gases blamed for global warming. How they rank, what they're doing:
Viking River Cruises Tipping Policy. It is customary to give cruise gratuities, subject to your satisfaction of services rendered. Gratuities on board and on land are not included in your full fare.
NCL Cruises drink packages. NOTE: NCL cruise wine prices listed below are in USD. Norwegian Cruise Lines charge 18% gratuity (the prices below do not include the 18% gratuity). On cruises from/to Italy and Spain the line are required to charge an additional VAT.