At the start of the 20th century there were fewer than 2 billion people. Now at 7 billion, Earth?s population is on target to reach 8 billion by 2027. How has this dramatic increase in human population impacted Earth?s life support systems and natural resources? What is sustainability? How do we achieve a sustainable society? These are very big questions and very complex topics to cover.

The Earth, Energy and Sustainability programme offered by the Leiden University?operates at the forefront of the field of environmental sciences, with a balance between understanding key concepts within a classroom setting, and applying the gained knowledge in real-life situations.