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Nature of the Case

The ruling holds the Peruvian State responsible for violating the rights of people affected by decades of toxic pollution by La Oroya Metallurgical Complex, particularly the right to a healthy environment and other connected rights such as to life and integrity recognized in the American Convention on Human Rights. The court ordered the adoption of comprehensive reparations that include environmental remediation, reduction and mitigation of polluting emissions, air quality monitoring, free and specialized medical care, compensation and a relocation plan for affected people.

Summary

Members of the Community of La Oroya brought suit against Peru for violations of the right to a healthy environment and other human rights violations brought on by almost a century of pollution from La Oroya Metallurgical Complex in the Inter-American Court of Human Rights (IACHR). Residents of La Oroya, one of the most polluted cities in the world, incurred injuries from air, soil and water contamination that included lead and arsenic poisoning and other toxic substances that caused physical and mental illnesses, and in the cases of one child and one adult, death. Environmental human rights defenders of La Oroya also received threats and harassment in response to their activism.

The Court concluded that Peru was responsible for extensive human rights violations and ordered it to provide specialized medical assistance to the victims, pay compensation for both material losses and pain and suffering, and publicly acknowledge its wrongdoing. This ruling also highlighted the disproportionate ways that vulnerable parties are affected by pollution by allotting larger sums in damages to children, those with disabilities, women and older adults. The court ordered that each victim receive between US$30,000 and US$65,000, depending on their situation, which allots for compensation for health costs, lost earnings, and pain and suffering.

The court also ordered Peru to strengthen and strictly enforce environmental standards, rehabilitate damaged ecosystems, monitor air, water and soil quality, and ensure that polluters pay for the environmental damage they cause. Finally, the court ordered Peru to investigate and prosecute those responsible for the extensive environmental damage, as well as those responsible for threats against environmental human rights defenders in La Oroya, which the court stated inhibited the Community’s procedural access to justice.

The court cited its 2017 advisory opinion on Environmental Human Rights which outlined state obligations to protect and guarantee the rights to life and personal integrity enshrined in the American Convention on Human Rights. The opinion was meant to act as a guide for states to act preventatively and was issued in response to a request from Colombia’s government and stresses the connection between the adverse effects of climate change on human rights. The opinion cites both substantive rights to food, water, health and life, as well as procedural rights of expression and to participate in decision-making among others. This opinion created an obligation for states to take into account how environmental degradation can differentially impact various communities, such as indigenous people, children, those living in poverty and living with disabilities.

Enforcement of the Decision and Outcomes

The implementation of this decision is still ongoing, and this section will be revised as developments occur.

Significance of the Case

Liliana Ávila, coordinator of the AIDA Human Rights and Environment Program, stated “This ruling is a very important advance and a key precedent for environmental justice in Latin America as it is the first case in which the Court recognizes the responsibility of a State for the violation of the right to a healthy environment in a urban context and the implications that this has on the guarantee of other multiple rights.”

For their contributions, special thanks to ESCR-Net member: the Program on Human Rights and the Global Economy (PHRGE) at Northeastern University.