Dynastic leaders consolidating territory and developing China's economy exploited the country's natural resources in ways that contributed to famines and natural disasters, writes CFR's Elizabeth Economy in The River Runs Black: The Environmental Challenge to China's Future.
Credit Julio Cortez/Associated Press. 1  United Airlines flights were grounded Tuesday morning because of an unidentified computer problem, leading to widespread delays. 2  The airline said it began delaying all flights at 9 a.m. 3  United said the ground stop affected about 150 flights, or 8 percent of its morning schedule.
ASPM records minutes of delay for five possible causes of flight arrival delays: carrier, weather, NAS, security, and late arrival. The data are provided by the Bureau of Transportation Statistics (BTS) for ASQP flights only. These causes of delay were determined by the Department of Transportation. For additional information, visit this page from the Bureau of Transportation Statistics Web site.