Environmental Science

Senior / 12th grade

Here are the best resources to pass Environmental Science. Find Environmental Science study guides, notes, assignments, and much more.

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Package deal

Ultimate IB ESS (Environmental Systems & Societies) Resource Pack: Essays, Case Studies & Analysis
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10

August 2025
A comprehensive collection of high-quality IB Environmental Systems & Societies (ESS) resources designed to support top-level performance. This pack includes full-mark essays, detailed case studies, and past exams across key ESS topics. Perfect for students seeking guidance and practical examples to prep for exams.
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Presentation

What is the Biosphere 2: Exploring Artificial Ecosystem Sustainability
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August 2025

2025/2026
This essay provides a clear and detailed analysis of Biosphere 2, the world’s largest enclosed research facility designed to study self-sustaining ecosystems. It examines the five ecosystems inside the structure—coastal fog desert, tropical rainforest, savanna grassland, mangrove wetland, and ocean with a coral reef—and how they function together to support life. The essay also covers the two-year experiment in which eight researchers lived entirely within Biosphere 2, highlighting chal...
pollyl
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Presentation

The Role of Plate Tectonics in Driving Speciation: ESSAY
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1

August 2025

2025/2026
To what extent can plate tectonics cause speciation? This essay gives a detailed analysis of how the movement and interaction of Earth’s lithospheric plates create geographical barriers and new habitats. It explains the mechanisms of speciation through geographic isolation, using examples such as the Himalayan mountain formation and the Mid-Atlantic Ridge. The essay highlights how tectonic activity fosters the evolution and diversification of species by producing isolated environments that enc...
pollyl
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Presentation

Sustainable Energy for Reykjavik University Case Study Proposal
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12

August 2025

2024/2025
Proposal evaluating sustainable energy solutions to power Reykjavik University. The report examines tidal and geothermal energy as renewable options, detailing energy transformation processes, availability, costs, energy density, environmental impacts, and social implications. Geothermal energy is ultimately recommended due to its high energy density, reliability, minimal environmental impact, long-term cost-effectiveness, and compatibility with existing infrastructure. Includes diagrams, site-s...
pollyl
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Exam (elaborations)

IB ESS Value Systems Test with answers
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3

August 2025

2025/2026

A+
Markscheme notes for an ESS unit test on environmental value systems. Covers key concepts including how assumptions, beliefs, and worldviews shape EVSs; inputs and outputs of EVSs as systems; contrasts between ecocentric, anthropocentric, and technocentric philosophies; and the influence of culture, religion, economics, education, and socio-political background on environmental perspectives. Also includes definitions of open, closed, and isolated systems, with examples and system diagrams. A use...
pollyl
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Class notes

IB ESS Topic 3.3.2: tropical biomes and sustainable development NOTES
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6

August 2025

2024/2025
Comprehensive notes on tropical biomes (IB ESS 3.3.2) with a focus on sustainable development. Covers the equatorial climate, soil characteristics, biodiversity, and nutrient cycling, as well as the ecological importance of rainforests in regions such as the Amazon, Central Africa, and Southeast Asia. Includes detailed analysis of human exploitation—deforestation, agriculture, mining, hydroelectric power, and logging—and the resulting threats to biodiversity, ecosystem services, and indigeno...
pollyl
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Exam (elaborations)

IB ESS topic 1 unit test with answers ( Foundations of environmental systems and societies)
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6

August 2025

2025/2026

A+
Comprehensive ESS (Environmental Systems and Societies) Topic 1 test notes and responses. Covers key concepts including environmental value systems (EVS), the nature of systems and models, energy and equilibria, sustainability principles, natural capital, and natural income. The document includes definitions, explanations, and applied examples to support understanding of core ESS themes, making it useful for revision, practice, and exam preparation.
pollyl
$9.89 More Info

Presentation

Different Environmental Value Systems- reasons for Conserving Species Diversity (IB ESS 9-mark ESSAY)
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August 2025

2025/2026
An ESS essay discussing how different environmental value systems (ecocentric, anthropocentric, and technocentric) influence approaches to conserving species diversity. Using case studies of African elephants, the Mesoamerican Barrier Reef, and black rhinoceroses, the essay explores how values such as intrinsic worth, human utility, and technological innovation shape conservation strategies. It highlights the contrast between ecosystem preservation, sustainable human use, and technology-driven s...
pollyl
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Exam (elaborations)

IB ESS 2.3 Flows of Energy & Matter test with answers
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8

August 2025

2025/2026

A+
Significant ideas: Ecosystems are linked together by energy and matter flows. The Sun's energy drives these flows and humans are impacting the flows of energy and matter both locally and globally.
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Exam (elaborations)

IB ESS 2.2 Communities & Ecosystems test with answers
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8

August 2025

2025/2026

A+
Significant Ideas: The interactions of species with their environment results in energy and nutrients flow. Photosynthesis and respiration play a significant role in the flow of energy in communities. The feeding relationships in a system can be modeled using food chains, food webs and ecological pyramids.
pollyl
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