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:
River cruise companies also have their own tipping policies. A handful, such as Scenic Tours, Avalon Waterways and Tauck, include gratuities in their overall price, while Viking River Cruises recommends that guests tip at the end of the trip at a rate of between Â£5 and Â£10 a day.
Liquor and Beverage Policy. A liquor and beverage consumption policy was created in order for Carnival to be able to control the liquor consumption of minors and the quantities consumed that lead to the disruptive behavior of others on board. This policy pertains to all cruise durations. Drinking Alcohol On Board.