Taking individual courses can help students pursue their long-range goals without being locked into a formal course of study. This flexibility can make for a better fit with career and family commitments while still allowing individuals to pursue their objectives.
Education in the United States is mainly provided by the public sector, with control and funding coming from three levels: state, local, and federal, in that order. The common requirements to study at a higher education level in United States will include your admissions essay (also known as the statement of purpose or personal statement), transcript of records, recommendation/reference letters, language tests
Online Course in Green Studies in USA