PhD or Doctor of Philosophy is a postgraduate degree awarded by universities that usually lasts from three up to five years. Graduates with a Doctorate of philosophy 's degree are automatically awarded the academic title of doctor. PHD programs can focus on philosophy but also theology, law, medicine and liberal arts as well. Boys and girls interested in a career as teacher or lecturer tipically decide to start these paths since professors are increasingly being required to have a PhD.
Master degrees and postgraduate courses in environmental resources are aimed at graduates, men and women interested in a career related to the environment, energy and agribusiness. Young professionals, boys and girls with a degree, bachelor or master degree, in technical science will certainly be the most frequent students of these master programs but there are also fellows with a degree in economics or humanities who choose then to give their career cut tied to environmental resources, energy sources, to protect the planet.