空气污染使中国富豪移民海外The country's wealthiest residents are emigrating to other countries, in large part to avoid awful air pollution. The past few years have seen record-high levels of dangerous pollutants that have been linked to cancers and respiratory problems.中国富豪正移民海外,主要是为了避免空气污染造成的危害。过去几年,诱发癌症和呼吸系统疾病的污染物含量屡创新高。 By the 1970s, Central Park was in a state of decay. Bridges were crumbling. Meadows had dried up. Graffiti and vandalism(破坏公物) blighted playgrounds and benches. There was an overwhelming feeling that its best days had passed. "Positive use had increasingly been displaced by illicit and illegal activity," is how the Central Park Conservancy describes it today. Then George Soros stepped in. Frustrated by what he and others saw as New York City's inept management of the 160-year-old institution, Soros and another financier commissioned a study on potential fixes. Its chief recommendation was creating a private citizen-based board to oversee an individual running the park's operations -- in effect, allowing private citizens to control the park. Soon the not-for-profit Central Park Conservancy was created, and the area returned to its former glory. Thirty years later the conservancy provides 75% of a nearly $60 million annual park budget and is a New York institution unto itself. The board of trustees includes former J.P. Morgan Chairman and CEO William Harrison, KKR's Henry Kravis, and the hedge fund manager John Paulson, who two years ago announced he would give $100 million to the conservancy(管理,保护), the largest park donation ever. The growing wealth gap around the world is raising concerns about economic fairness and class divisions. Bu...