Energy studies focuses on the extraction, manufacture, distillation, and sale of resources used to create power for maintaining societies. This ranges from traditional materials such as firewood and dung to modern sources including fossil fuels and nuclear power as well as alternative energy sources and future models.

The USA remains the world’s most popular destination for international students. Universities in the US dominate the world rankings and the country also offers a wide variety of exciting study locations. State university systems are partially subsidized by state governments, and may have many campuses spread around the state, with hundreds of thousands of students.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.