Individuals concerned with the depletion of the earth’s resources may consider a program in sustainable economic studies. Students may learn to address the long-term impact of the economy on the environment by examining the relationships between people, the planet and business practices.

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.