Transport/Traffic The public transportation system in Doha, Qatar is still developing, but is not yet as widespread as in many other cities. With cheap fuel, cheap cars and a growing road network, cars remain the most widely used means of transportation. There is an improving bus system in Doha and a government-run taxi service, but it is relatively new and has been overused during peak hours. .There is no train, tram or metro system in operation in Qatar. A metro is planned for Doha, but it is not expected to be completed for several years. Air travel enjoys a great global reputation thanks to the Qatar Airways fleet, and Doha is the heart of it all. Bus – To travel by bus, passengers must purchase a Karwa Smartcard, which replaced the use of cash in early 2011. The cards are swiped when boarding and departing buses, and then travel costs are charged. - In Doha, services operate from early morning until midnight. -Front seats are reserved for women and children. -Buses can be boarded from specific stops all around the city, or can be taken on major intercity highways.Taxi-pickups can be arranged by calling, but you may wait a long time for a taxi to arrive. - Taxis also meet for services in shopping centers and hotels, and this is usually the best way to get a ride although the wait can take some time.-All taxis are metered.Air-Doha International is the country's main airport and is located 3 miles south of the city center.-Qatar Airways serves more of 100 destinations worldwide.-The New Doha International Airport is a new airport located 2.5 miles east of the current airport and is under construction. Its opening is planned after 2015, replacing Doha International. Resources: Angloinfo. Public transport... middle of paper ......-Desalination is the process of removing salt and other minerals from salt water.-Qatar's desalination plants use approximately 1.54 billion kWh of electricity per year, and they produce 680,000 tonnes of carbon dioxide per year. - 99% of Qatar's water supply comes from desalination plants, while only 1% comes from groundwater. - The average person in Qatar uses 500 liters of water per day. The global average is 250.-Qatar is one of the largest consumers of water in the world.-Qatarians use 4 times more water than European countries and 10 times more water than the world average. -Qatar once had a 24-hour water supply, and soon a seven-day water supply.Resources: -Victoria, Scott. Doha News. Managing water supply is a major challenge facing Qatar, expert says. February 28, 2014, http://dohanews.co/managing-water-supply-a-key-challenge-facing-qatar-expert-says/