Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and the service of humanity. Chartered in 1746, Princeton is the fourth-oldest college in the United States. Princeton is an independent, coeducational, nondenominational institution that provides undergraduate and graduate instruction in the arts and humanities, social sciences, natural sciences, and engineering.
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As evidence mounts that gas drilling and sewer systems leak far more greenhouse gases than previously believed, a team of Princeton researchers has developed a method to pinpoint leaks both big and small for speedy repair.