A recent survey by Datincorp, a Caracas-based pollster, found that some 57 percent of Venezuelans wanted to leave the country. That number, up from 49 percent just four months ago, is just one facet of the rolling collapse in South America’s most benighted nation, which has gone from oil powerhouse to global exporter of people in a little over …

  Bloomberg The aviation industry is supporting a United Nations proposal to limit pollution from international flights even though the measure may eventually cost companies $24 billion annually. Trade groups representing United Continental Holdings Inc., Boeing Co. and other industry leaders are pushing nations to join the agreement, which would require companies to offset their emissions growth by funding environmental …

  Bloomberg Southwest Airlines Co.’s 14,500 flight attendants will decide whether to approve a tentative contract agreement following “intense discussion and debate” by leaders of their union. The board of Transport Workers Union Local 556 voted Friday to send the pact to members after two days of deliberation, the labor group said in a statement posted Friday on its website. …