Amicus brief filed by the PUCP and McGuil legal clinics

On December 16, 2019, a group of Peruvian youth filed suit against Peru, alleging that the government has taken insufficient action to address climate change. 

Seven plaintiffs, represented by their parents, filed a complaint against the Peruvian state for its alleged failure to adequately halt deforestation in the Amazon rainforest by adopting concrete and effective measures under the National Policy on the Environment and the National Policy on Forests and Forest Wildlife. The complaint focuses on deforestation in five Amazonian regions: Loreto, Ucayali, Madre de Dios, Amazonas and San Martin. The plaintiffs argue that the situation is worse for Peruvians born between 2005 and 2011, whose futures are severely compromised due to the climate crisis. They assert that their fundamental right to enjoy a healthy environment has been violated, along with their rights to life, water, and health. 

The plaintiffs' claims arise under article 2.22 of the Peruvian constitution; article 12.2 of the International Pact of Economic, Social and Cultural Rights; article 11 of the Additional Protocol of the American Convention on Human Rights; article 3 of the Code of Children and Adolescents; article I of Law no. 28611, General Law of the Environment; and article 15 of the Interamerican Democratic Charter.  

The complaint seeks an order directing the President, the Ministry of Environment, the Ministry of Agriculture and Irrigation, and the Ministry of Finance to create concrete goals and objectives to reduce net deforestation in the Peruvian Amazon to zero by 2025; an order directing the regional governments of Loreto, Ucayali, Madre de Dios, Amazonas and San Martin to develop regional action plans to reduce net deforestation to zero by 2025, including climate change adaptation and mitigation measures; an order requiring the Ministry of Agriculture and Irrigation to suspend granting deforestation permits on public lands in the five regions at issue until the national and regional plans have been created; recognition of the Peruvian Amazon as an entity subject to the rights of protection, conservation, maintenance and restoration; and a declaration that the situation of environmental conservation in the Peruvian Amazon is unconstitutional. 

On April 24, 2025, the Superior Court of Lima issued a ruling stating that the case could proceed to a full merits analysis. This ruling rejected the Peruvian government’s attempts to halt the case, which were challenged and ultimately overturned on appeal. The state has continued to seek dismissal, contending that imposing deforestation targets or intervening in executive policymaking is beyond the judiciary’s authority. 

The Corte Superior de Justicia de Lima, in its decision of May 29, 2024 in the Álvarez case, declared the amparo action inadmissible on the grounds that no unconstitutional omission in public policymaking had been established and that the claims would improperly interfere with the functions of other branches of government; nevertheless, the Court expressly recognized the severity of deforestation in the Amazon and its impact on fundamental rights, emphasizing in particular the harm to children and future generations, and urged state authorities to adopt urgent and effective measures to address the climate crisis.

Álvarez et al v. Peru

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Álvarez et al v. Peru - Other

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An aim to achieve a quantifiable outcome within a given time-frame, set by an institution such as a national government.

Policy instruments are techniques or tools used by governing authorities to promote certain policies in order to achieve predetermined goals. Put simply, instruments are how a government tries to achieve its goals, with this taxonomy being focused on national policy instruments.

Risk is the potential for adverse consequences resulting from the dynamic interplay between (climate-related) hazards, exposure, and vulnerability of affected human or ecological systems.

Groups  of people who are adversely affected by climate change or the response to it

A set of principles, processes, and practices that build economic and political power to shift from an extractive economy to a regenerative economy.

Justice is the ethical and political framework that addresses fairness, including issues of responsibility, rights, and structural inequity.

Renewable energy means all forms of energy produced from renewable sources in a sustainable manner.

Fossil fuel is a generic term for non-renewable energy sources such as coal, fossil gas, and oil (including crude oil, and petroleum products), that can be used for electricity and heat generation. Fossil fuels are hydrocarbons formed from pressurised and heated organic material buried over millions of years.

Molecules in the atmosphere that play a key role in the greenhouse effect by trapping heat radiating from Earth’s surface.

Area of the economy in which actors engage in identical or related activities.

In human systems, the process of adjustment to actual or expected climate change and its effects, in order to moderate harm, increase resilience or exploit beneficial opportunities. In natural systems, the process of adjustment to actual climate change and its effects; human intervention may facilitate adjustment to expected climate change and its effects.

The management and allocation of funds, assets and investments to meet various objectives

People who are less able to respond to the effects of climate change due to having limited financial or physical assets

Tradable permits are market-based tools that grant permission for specific activities, frequently used to regulate emissions. These permits can be issued within a trading system to manage environmental impacts.

The processes through which enterprises can identify, prevent, mitigate and account for how they address their actual and potential adverse impacts. Due diligence is the idea that reasonable precautions should be taken to avoid causing harm to people, the environment, or society. It also involves identifying and mitigating risks before they occur.

A ban is a legal action that prevents the sale or supply of a product or service, or that recalls a product from the market. Examples are bans on SF6, greenwashing, fossil fuel advertisement or single-use plastics.

A target to reduce the prevalence of a greenhouse gas over a specific time frame

Using laws and the legal system more broadly to protect vulnerable entities

Conditions that enhance the feasibility of adaptation options. Enabling conditions include finance, technological innovation, strengthening policy instruments, institutional capacity, multi-level governance and changes in human behaviour and lifestyles.

Actions or measures to adapt terrestrial systems to climate change.

Actions or measures to adapt freshwater systems to climate change.

Actions to adapt human health, healthcare systems and well-being to climate change.

Actions or measures to adapt freshwater, coastal and marine systems to climate change.

Hot temperature extremes are daily maximum temperatures  that were exceeded on average once in a decade or once in 50 years, and includes heatwaves.

A long-lived, colourless gas, chiefly emitted from fossil fuel combustion, deforestation and cement production.

Extreme weather refers to events where a weather variable exceeds (or falls below) a threshold. Meaning it is significantly different from the average or usual weather pattern.

Terrestrial means "of the earth" and relates to the risks to ecological system that includes all living organisms and their interactions within land-based environments, such as forests, grasslands, and deserts.

Social inclusion is the process of improving the terms on which individuals and groups take part in society—improving the ability, opportunity, and dignity of those disadvantaged on the basis of their identity.

Oil is a combustible liquid fossil fuel composed mainly of hydrocarbons, occurring as crude oil and refined into petroleum products such as petrol, diesel and kerosene.

Fossil gas, commonly known as natural gas, is a fossil fuel consisting chiefly of methane with smaller amounts of other hydrocarbons and trace gases, found in underground deposits.

Coal is a combustible sedimentary rock formed from carbonised plant matter, rich in carbon and hydrocarbons, and occurring in several main types including hard coal and brown coal.

People with different national or cultural traditions from the dominant population

Social and cultural groups that share collective ancestral ties to the lands and natural resources where they live, occupy or from which they have been displaced

People whose health, both mental and physical, makes them more vulnerable to the effects of climate change

People who have left their homes, whether through force, voluntarily, or a mixture of both

woman and genders outside of the gender binary

Activities of industries that extract natural resources, such as mining, oil, and gas, for commercial use.

This sector involves managing waste treatment, sanitation, pollution control and environmental cleanup.

This sector involves activities to move goods and people, alongside the storage of products.

This sector involves activities that impart knowledge and skills to individuals, including formal schooling, vocational training and educational support.

Activities of government agencies and institutions that provide public services, enforce laws and manage public resources.

Activities that involve the cultivation of crops and raising of livestock for food, fibre, and other products essential for human life and industry.

Activities that relate to the production of goods and services from forests.

This sector involves the distribution, treatment, and conservation of water resources.

Any substance with chemical properties that can cause physical harm to people or damage the environment, including ammonia, carbon monoxide, phosphine, chlorine, arsenic, cadmium, mercury, pesticides, dioxins, microplastics, benzene, asbestos, aflatoxins, fluoride, methanol, and toxins from marine sources.

Climate change impacts our society by disrupting the natural, economic and social systems we depend on. Physical hazards and underlying vulnerabilities can lead to increased resource competition for food and water, which can heighten the risk of conflict.

Slow onset events evolve gradually from incremental changes over many years or from increased frequency or intensity of recurring events. As defined in the Cancun Adaptation Framework (2010), slow onset events include risks and impacts from rising temperatures, desertification, biodiversity loss, land and forest degradation, glacial retreat, ocean acidification, sea level rise, and salinization.

Álvarez et al v. Peru - Other

Target

Policy instrument

Risk

Impacted group

Just transition

Fossil fuel

Greenhouse gas

Economic sector

Adaptation/resilience