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.
Cruises Find a Cruise. Baltic & Northern Europe. Viking Homelands Stockholm to Bergen 15 Days - From $5,199. Into the Midnight Sun Bergen to London 15 Days - From $6,449. Trade Routes of the Middle Ages Bergen to Barcelona 15 Days - From $3,999. In the Wake of the Vikings Bergen to Montreal 15 Days - From $5,749.