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.
When we first approached Viking Ingvar docked in St. Petersburg, the first thing that struck us was how much larger it was than other river boats on which we have sailed. Unlike Viking River Cruises' European ships, which typically carry 150 guests (new longships carry 190), Viking Ingvar carries up to 206 guests.