请模仿一则VOA慢速新闻（点击此链接）的前三段，以正确的重音和语调朗读下面的段落。A new study has found that ride-sharing services result in much more pollution than other kinds of private and public transportation.Ride-sharing trips also draw passengers away from more environment friendly methods of travel, like public transportation, walking or biking, the study found.Several studies in recent years have suggested that ride-sharing services like Uber and Lyft can worsen traffic problems in cities, which continue to have high rates of private vehicle ownership.