Explore explanations, case studies and exam-practice ideas for Environmental Systems and Societies. Use the articles below to build understanding, then bring the topics you find difficult to an individual lesson.
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The ESS extended essay (EE) is an integral part of the IB Diploma course. In order to write a good ESS EE you need to first of all be interested in and passionate about the environment and secondly be prepared to put in the hard...
For the IB ESS course first assessed in 2026. Environmental systems and societies is available at standard level (SL) and higher level (HL). An ESS study plan needs to match the student’s level, assessment session and current school course. The previous description on this page...
The assessment model of IB ESS course consists of two external papers/tests. Ess tests or ESS papers. Paper 1 is a one hour exam based on case study weighing 25% of the final grade. Paper 2 is a two hours exam which contains short-answer questions...
Choosing an ESS tutor starts with the student’s needs. Before booking, identify whether the difficulty involves understanding a concept, interpreting data, writing an exam answer or planning independent research. A useful first conversation connects that difficulty to a clear learning goal. Check that the support fits...
Reviewed 4 October 2026 · Current ESS SL and HL course, first assessment 2026.These ESS IA investigation ideas are starting points for your own planning, not completed student reports or verified high-scoring exemplars. Choose a relevant environmental issue, a focused question and evidence you can...
How to Define ESS?The Environmental Systems & Societies (ESS) course is an interdisciplinary course which is unique in that it contains various sciences, coupled with a societal viewpoint, all intertwined to help you understand the environment and its sustainability. This course is designed to combine...
The Environmental Systems & Societies course is a trans-disciplinary course that integrates physical and biological sciences, coupled with a societal viewpoint, in order to help students understand the environment and its sustainability. The purpose of this course is to expose students to the interrelationships of...
ESS IA is an important part of Environmental Systems and Societies course. It weights 25% of your grade and maximum points you can get is 30. There are several parts of ESS IA such as context (6), planning (6), results analysis and conclusion (6), discussion...
The question frequently asked by students is where do I get my ESS IA data. When writing your IA data make a very big part of this process. There are several ways you can go with ESS data:1. Laboratory work/ fieldwork techniqueThis way you create...