Search Results for: environment

Economic Costs. Commercial fishing and aquaculture are likely to be less profitable when an aquatic ecosystem is damaged. A comparison between the average output of commercial activities, taking into account extraction means (ships, surface cultivated, etc.), over a time period may reveal some indicators about the economic costs of water

The main externalities of air pollution include: Economic Costs. They include a wide range of externalities like damage to property, superstructures and infrastructure, and loss of productivity of people and crops. Acid rains (and depositions), smog, and ozone pollution change the time scale during which investments in infrastructure can be

Source: EPA. The most important transport emissions are related to carbon monoxide (CO), Volatile Organic Compounds (VOC), and nitrogen oxides (NOx). Still, transportation plays a marginal role in particulates and sulfur oxide emissions. Due to better engine technology and more stringent standards, the amount of pollutants released on highways has

Mobility conveys various benefits, including access to employment, goods, and social activities. The paradoxical relation between mobility and its costs is based on the premise that the benefits are derived by the users of transport systems (e.g. drivers) and that the costs are in part assumed by society and the

Author: Dr. Jean-Paul Rodrigue Sustainable transportation is the capacity to support the mobility needs of a society in a manner that is the least damageable to the environment and does not impair the mobility needs of future generations. 1. Sustainable Development a. The concept of sustainability The capacity of the

Source: adapted from Cambridge Systematics (1996) Quick Response Freight Manual, Federal Highway Administration, Office of Planning and Environment Technical Support Services for Planning Research.

Transport supply is commonly assessed in terms of the capacity of infrastructures. Although this dimension is suitable in a number of circumstances, particularly when a single mode is considered, the concept of transport supply must consider circumstances where several modes share the same infrastructure or where intermodalism is the core

Source: US Energy Information Administration, U.S. Gulf Coast Kerosene-Type Jet Fuel Spot Price FOB, USD per gallon. Fuel accounts for about 40% to 50% of air transport operating costs of a single flight, depending on the type of plane used (economies of scale and fuel efficiency are directly related). While

Source: OECD/ITF. Worldwide, more than 1 million people are killed, and several million are injured each year due to transport accidents. Still, since the 1970s, the fatality rate has substantially declined. In many cases, the fatality rate has been cut by more than half (five times less in some instances,

Source: Adapted from: E. J., Gauthier H. L. and M. E. O’Kelly (1996) Geography of Transportation. The evolution of transport systems impacts regional economies in terms of their level of specialization. More connected regions tend to be more specialized, while less connected regions tend to have a lesser degree of