The Stockholm Declaration on the Human Environment, adopted in 1972, was the first international document to explicitly recognize the right to a healthy environment as a fundamental human right.

The principle of intergenerational equity recognizes the right of future generations to inherit a healthy and sustainable environment. It emphasizes the responsibility of present generations to ensure that their actions do not compromise the ability of future generations to meet their own needs.

The Paris Agreement, adopted in 2015, is a legally binding international treaty that aims to limit global warming to well below 2 degrees Celsius, preferably to 1.5 degrees Celsius, compared to pre-industrial levels.

Environmental racism refers to the disproportionate exposure of minority and low-income communities to environmental hazards, such as pollution, toxic waste, and climate change impacts. This systemic issue results from historical and ongoing discrimination and has significant implications for human rights and environmental justice.

The International Court of Justice (ICJ), also known as the World Court, is the principal judicial organ of the United Nations. It has jurisdiction to hear cases related to disputes between states, including disputes over environmental issues.

The principle of common but differentiated responsibilities (CBDR) recognizes that developed countries have greater responsibility for reducing greenhouse gas emissions due to their historical contribution to the problem and their greater capacity to act. This principle is enshrined in the United Nations Framework Convention on Climate Change (UNFCCC).

The United Nations Environment Programme (UNEP) is the leading global environmental authority that sets the global environmental agenda, promotes the coherent implementation of the environmental dimension of sustainable development within the United Nations system, and serves as an authoritative advocate for the global environment.

Sustainable development is a development model that meets the needs of the present without compromising the ability of future generations to meet their own needs. It seeks to balance economic growth, social justice, and environmental protection.

The Convention on Biological Diversity (CBD), adopted in 1992, is a legally binding international treaty that aims to conserve biodiversity, ensure the sustainable use of biological resources, and promote fair and equitable sharing of the benefits arising from the use of genetic resources.

Environmental justice is the fair and equitable distribution of environmental benefits and burdens. It seeks to address the disproportionate exposure of minority and low-income communities to environmental hazards and to ensure that everyone has access to a healthy and sustainable environment.

The Montreal Protocol on Substances that Deplete the Ozone Layer, adopted in 1987, is an international agreement that aims to reduce the production and consumption of ozone-depleting substances, such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs).

The precautionary principle is a principle of environmental law that states that environmental decisions should be made in the absence of scientific certainty, when there is a risk of serious or irreversible harm to the environment. It is based on the idea that it is better to be safe than sorry.

The Ramsar Convention on Wetlands, adopted in 1971, is an international agreement that aims to promote cooperation on the conservation and sustainable use of wetlands. It provides a framework for national action and international cooperation for the conservation and wise use of wetlands and their resources.

The polluter pays principle is a principle of environmental law that states that the polluter should bear the cost of pollution. It is based on the idea that the polluter is responsible for the damage caused by their pollution and should therefore be held accountable for the costs of cleaning up the pollution and preventing future pollution.

The MARPOL Convention, adopted in 1973, is an international agreement that aims to reduce air pollution from ships. It provides a framework for national action and international cooperation to prevent and control pollution of the marine environment by ships.