International tourism on track for one billion tourists end 2012. With a record 467 million tourists in the first half of 2012, international tourism remains firmly on track to reach one billion tourists by the end of the year, says the United Nations World Tourism Organisation (UNTWO) in its new “World Tourism Barometer”. International arrivals increased in all regions in the first six months of the year, but Asia is the most dynamic region, UNTWO notes. In 2011 international arrivals...