boat or plane environment
The ecopassenger calculator - launched by the international railways union in cooperation with the european environment agency - says it depends on the height the plane reaches.. Cunard cruises spokesman “we do get people crossing the atlantic because they don’t want to fly. every ship has to meet environmental targets and the queen mary ii has a zero-discharge policy.”. Travel time. the most significant difference between plane and ship travel is the amount of time it takes to reach your destination. most flights take just a few hours, and only the longest. 
boat or plane environment A flying boat is a fixed-winged seaplane with a hull, allowing it to land on water, that usually has no type of landing gear to allow operation on land. it differs from a floatplane as it uses a purpose-designed fuselage which can float, granting the aircraft buoyancy.flying boats may be stabilized by under-wing floats or by wing-like projections (called sponsons) from the fuselage.. While even driving alone would be better from the standpoint of greenhouse-gas emissions, carpooling makes the most environmental sense. four people sharing a car would collectively be responsible for emitting only 104 kilograms of co2, while the same four people taking up four seats on a plane would generate some 736 kilograms of carbon dioxide..
