Syllabus Edition

First teaching 2024

First exams 2026

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Definition & Purpose of Environmental Law (DP IB Environmental Systems & Societies (ESS))

Revision Note

Basics of Law

  • Laws are fundamental rules that regulate and govern human behaviour within a society

    • For example, traffic laws regulate how drivers should behave on the roads to ensure safety and order

  • Laws are established and enforced by social or governmental authority to maintain order and protect rights

    • For example, laws prohibiting theft ensure the protection of individuals' property rights and contribute to the overall safety and security of the community

    • Law enforcement agencies, such as the police, are authorised by the government to enforce these laws, investigating theft cases and apprehending offenders to uphold the rule of law and safeguard citizens' rights

Purpose and function of laws

  • Laws serve multiple purposes, including governing human conduct, resolving conflicts, and promoting justice

    • They provide a framework for social order, ensuring stability and predictability in society

    • Laws also act as a deterrent against undesirable behaviours by imposing penalties for violations (i.e. when people break the law)

Diagram of the different types of law for IB HL Environmental Systems and Societies
Types of law

Sources of law

  • Laws can originate from various sources, including legislation, common law, administrative regulations, and international treaties

    • Legislation refers to laws enacted by a legislative body, such as a parliament or congress

    • Common law derives from judicial decisions and precedent established through court rulings

    • Administrative regulations are rules and regulations created by administrative agencies to implement laws

      • For example, the Environmental Protection Agency (EPA) in the United States is an administrative agency tasked with implementing and enforcing environmental laws and regulations

    • International treaties are agreements between sovereign states governing interactions between nations

      • For example, the Paris Agreement was an international treaty signed in 2015 that aims to combat climate change by limiting global warming to well below 2 °C above pre-industrial levels

Enforcement of laws

  • Law enforcement agencies are responsible for upholding and enforcing laws within a jurisdiction

    • Enforcement mechanisms may include police, courts, and correctional systems (e.g. prisons or jails)

    • Penalties for violating laws can range from fines and community service to imprisonment, depending on the severity of the offence

Consequences of absence of law

  • Without laws, societies would descend into chaos and anarchy, with individuals free to act as they please without consequences

    • Lack of legal framework undermines social order, leading to conflict, violence, and oppression

    • The absence of law threatens people's fundamental rights and freedoms, leaving individuals vulnerable to exploitation and injustice

    • An example of this can be seen in failed states like Somalia, where the absence of a functioning legal system has led to widespread lawlessness and violence

Rule of law

  • The rule of law is the principle that asserts that everyone is subject to the law, including government officials

  • Key concepts underpinning the rule of law include:

    • Equality: All individuals are equal before the law, regardless of status, wealth, or power

    • Fairness: Legal processes and decisions should be impartial and unbiased, ensuring fair treatment for all

    • Liberty: Laws should protect individual liberties and freedoms, limiting government intrusion into personal affairs

    • Justice: The legal system should strive to achieve justice by providing remedies for wrongs and ensuring accountability for violations

Introduction to Environmental Law

Definition of environmental law

  • Environmental law includes the legal principles, regulations, and treaties governing the interaction between human activity and the environment

    • It focuses on regulating human behaviour to minimise negative impacts on natural resources and ecosystems, promoting sustainability and environmental protection

    • It provides a framework for balancing economic development with environmental preservation, safeguarding the well-being of current and future generations

Scope of environmental law

  • Environmental law covers various aspects of human-environment interactions, including (but not limited to) the following:

Main Aspects Covered by Environmental Law

Aspect

Explanation

Example

Management of natural resources

Regulating the extraction, use, and conservation of resources such as forests, minerals, fisheries, and water bodies

The National Forest Management Act in the United States regulates the sustainable management and use of national forests, balancing conservation with timber harvesting and recreational activities

Pollution management

Establishing regulations to control and mitigate pollution of air, soil, and water, in order to protect human health and ecosystems

The Clean Air Act in various countries imposes regulations on emissions from industries and vehicles to improve air quality and reduce the impacts of air pollution on human health and the environment

Biodiversity protection

Implementing measures to conserve and protect endangered species, wildlife habitats, and ecosystems to maintain biodiversity

The Convention on Biological Diversity is an international treaty aimed at conserving biodiversity, promoting sustainable use of biological resources, and ensuring fair and equitable sharing of benefits from genetic resources

Construction and development projects

Requiring Environmental Impact Assessments (EIAs) to evaluate the potential environmental effects of major infrastructure projects before approval

The European Union's Environmental Impact Assessment Directive requires member states to conduct environmental assessments for major development projects, such as infrastructure construction, to identify and mitigate potential environmental impacts

Diagram of the aspects covered by environmental law for IB HL Environmental Systems and Societies
Aspects covered by environmental law
  • Understanding the fundamental aspects of environmental law is essential for addressing environmental challenges and achieving sustainable development

Case Study

Dakota Access Pipeline

Overview:

  • The Dakota Access Pipeline (DAPL) is an underground pipeline that transports crude oil from North Dakota to Illinois, spanning approximately 1 172 miles

  • The pipeline's construction and operation have been met with significant controversy, particularly due to its potential environmental and social impacts, including threats to water sources and sacred sites of the Standing Rock Sioux tribe

Environmental concerns:

  • Water contamination:

    • The proposed pipeline route passes beneath the Missouri River, the primary water source for the Standing Rock Sioux tribe and millions of others downstream

    • A potential oil spill could contaminate the water, posing risks to human health and ecosystems

  • Ecosystem disruption:

    • Pipeline construction and operation have disrupted local ecosystems, including wetlands and wildlife habitats, leading to biodiversity loss and habitat fragmentation

  • Climate impact:

    • The extraction and transportation of fossil fuels contributes to greenhouse gas emissions, exacerbating climate change and its associated environmental consequences

Social impacts:

  • Cultural heritage:

    • The pipeline's route crosses lands considered sacred by the Standing Rock Sioux tribe, threatening culturally significant sites and disrupting traditional practices and ceremonies

  • Health and safety:

    • Pipeline leaks or spills could have severe health and safety implications for nearby communities, including potential contamination of drinking water sources and exposure to hazardous chemicals

  • Indigenous rights:

    • The DAPL construction has raised concerns about violations of Indigenous rights, including the right to free, prior, and informed consent regarding projects that affect their lands and resources

Role of environmental law and EIAs:

  • Environmental Impact Assessment (EIA):

    • An EIA is a critical component of the regulatory process for projects like the Dakota Access Pipeline

    • It evaluates the potential environmental, social, and cultural impacts of proposed developments, helping decision-makers assess the project's feasibility and identify mitigation measures

  • Legal framework:

    • Environmental laws, such as the National Environmental Policy Act (NEPA) in the United States, ensure that environmental impacts are considered and that there is public input in decision-making processes for major projects like the DAPL

  • Public consultation:

    • EIAs involve consultation with affected communities, including Indigenous groups like the Standing Rock Sioux tribe, to ensure their concerns and perspectives are considered during project planning and decision-making

Conclusion:

  • The Dakota Access Pipeline case highlights the intersection of environmental, social, and cultural concerns in infrastructure development projects

  • EIAs play a crucial role in assessing and addressing the potential impacts of such projects, ensuring that environmental laws are upheld, and sustainability principles are integrated into decision-making processes

  • Effective implementation of environmental law requires a holistic approach that considers not only ecological sustainability but also social sustainability, including the protection of Indigenous rights and cultural heritage

Examiner Tips and Tricks

You don't need to memorise this case study; it just provides you with an example of how environmental law covers various aspects of human-environment interactions. Some cases, like the Dakota Access Pipeline, are highly complex, requiring many different environmental and social factors to be considered.

For your exam, make sure you are familiar with the four main aspects covered by environmental law (see the table) and how these can be applied to different scenarios you might be presented with.

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Alistair Marjot

Author: Alistair Marjot

Expertise: Biology & Environmental Systems and Societies

Alistair graduated from Oxford University with a degree in Biological Sciences. He has taught GCSE/IGCSE Biology, as well as Biology and Environmental Systems & Societies for the International Baccalaureate Diploma Programme. While teaching in Oxford, Alistair completed his MA Education as Head of Department for Environmental Systems & Societies. Alistair has continued to pursue his interests in ecology and environmental science, recently gaining an MSc in Wildlife Biology & Conservation with Edinburgh Napier University.

Bridgette Barrett

Author: Bridgette Barrett

Expertise: Geography Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 25 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.