ESS
Environmental Systems and Societies (ESS) is an interdisciplinary course that examines the interactions between environmental systems and human societies. Students explore ecological principles, sustainability, and global environmental challenges, developing critical thinking skills through practical investigations and research. The course encourages a holistic understanding of environmental issues from both scientific and socio-cultural perspectives.
20,994 students
4.2 average grade
Difficulty
Grade distribution
Helpful Guides
![ESS IA Format and Structure [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2Fhq_76488_A_minimalist_hand_drawn_doodle_sketch_illustration_c_64d68a68_157a_4e9a_936d_b98f9cc59c8f_2_bba912eac5.png&w=3840&q=75)
![IB ESS Paper 2 [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2F0_2_a7cbe48a77.jpg&w=3840&q=75)
![ESS IA Criteria and Checklist [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2Fhq_76488_A_minimalist_hand_drawn_doodle_sketch_illustration_c_8167192d_efc9_486a_b647_ffccfb4b6044_2_6fcfe0e3ee.png&w=3840&q=75)
![IB ESS Syllabus + Topics [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2F0_1_757b96a189.jpg&w=3840&q=75)
![ESS IA Topic Ideas + Examples [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2Fhq_76488_A_minimalist_hand_drawn_doodle_sketch_illustration_c_ef837667_e086_468f_a933_c4fe4ba99f51_0_0e5d6068bc.png&w=3840&q=75)
![ESS IA word count and page limit [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2Fhq_76488_A_minimalist_hand_drawn_doodle_sketch_illustration_c_9e60717a_ef39_4b8e_af72_e0089474930b_0_d5de5904bf.png&w=3840&q=75)
![IB ESS Paper 1 [2026 updated] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2F0_1_5beb8aeb04.jpg&w=3840&q=75)
20,994 students
4.2 average grade
Difficulty
Grade distribution
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