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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Reviewed 4 October 2026 · Current ESS SL and HL course, first assessment 2026.The three types of human environment interaction commonly used in introductory geography are dependence, adaptation and modification. People depend on environmental resources and processes, adapt their behaviour to environmental conditions, and modify...
An environmental management system (EMS) can be developed in compliance with the ISO 14001 standard as part of an organization’s strategy to implement its environmental policy and address governmental regulations. An EMS focuses resources on meeting the commitments identified in the organization’s policy, which could...
Recently, a number of environmental issues have risen to new heights, affecting economies and policies worldwide. So what is the most important environmental issue?The environment plays a crucial role in the sustainability of life as we know it here on Earth. All living things depend...
The relationship between human and environment is one of mutual dependence and interchange. Humans depend on the environment for food, shelter, and clothing. The environment depends on humans for resources, such as air, water, and land.Humans need to interact with the environment to obtain our...
Environmental system as a system where life interacts with the various abiotic components found in the atmosphere, hydrosphere, and lithosphere. Environmental systems also involve the capture, movement, storage, and use of energy. A system is a network of relationships among parts, elements, or components that interact...
The concept of < ecosystem > is possible at several scales of magnitude. From multicellular organisms such as insects animals or plants to lakes, mountain ranges or forests to the planet Earth as a whole. Read about the purpose of environmental systems.A system that is...
Reviewed 4 October 2026 · Current ESS SL and HL course, first assessment 2026.The four main environmental systems commonly used to introduce Earth system science are the geosphere, atmosphere, hydrosphere and biosphere. These spheres interact through transfers of matter and energy; they are not isolated...
The IBDP ESS is not an easy subject and without studying it you definitely won’t be able to pass it. If you want to score a 7 you will actually need to invest time and effort into understanding and studying this subject.How to get the...
The environmental system may be understood in an ecological sense as the set of interactions between the elements of the biosphere, which includes the atmosphere, the hydrosphere, the lithosphere and the ecosphere:The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and traces (remaining 1%)...
The course covers the IB Environmental Systems and Societies standards, provided in detail to the students and are available online at: ibo.org. The list of topics is found below:Core (Mandatory)Topic 1: Foundations of Environmental Systems and Societies Topic 2: Ecosystems and Ecology Topic 3: Biodiversity and Conservation Topic...