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.
Slideshow: Flight Attendants Tell What to Do When Your Flight Is Delayed Each airline has its own policy when it comes to delayed passengers, but there are no federal requirements, according to the U.S. Department of Transportation.