De éstos, quizá los más importantes sean el cambio climático, la escasez de agua y la sequía, que se suman al aumento continuo de la población y las alteraciones climáticas que han afectado al Yemen.
Where tank wagons have been refilled without having been previously cleaned out, the consignment note shall show, as total weight of goods carried, the sum of the weight of the new load and of the residual load, which will be the same as the gross weight of the tank wagon, less its registered unladen weightUN-2 UN-2