In the year 2000, over 5,000 barrels of crude oil spilled from a barge into the Marañón River, which runs 900 miles (1,450 kilometers) across Peru, from the snow-capped mountains of the Andes into the mighty Amazon River. A black glaze seeped across its surface, silently causing an ecological disaster – contaminating the river, a key water source for local communities, and killing some of its fauna.

The incident was not the first – nor the last – of the oil spills that have plagued the Marañón River and the people living along its banks. The watercourse, which is a lifeblood of Peru’s tropical rainforests and is home to endangered species like pink dolphins and giant otters, also carves its way through Peru’s oil and gas heartlands.

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The Northern Peruvian Oil Pipeline (ONP) runs alongside it. According to the Peruvian agency for investment in energy and mining, Osinergmin, between 1997 and 2022, there were more than 80 oil spills along the pipeline.

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While the spill in 2000 was by no means unique, it did spur one woman into action. Mari Luz Canaquiri Murayari, of the indigenous Kukama community, who grew up on the banks of the Marañón, set up Asociación de Mujeres Huaynakana Kamatahuara Kana (“Hard-working Women’s Association” or “HKK”). The organization, spearheaded by women, has spent the last two decades and more fighting for the river’s protection.

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In March last year, their hard work paid off, as Peru’s federal court ruled that the river had legal personhood, granting it the inherent right to remain free flowing and free of environmental contamination. Today, Canaquiri Murayari, now 56 years old, was awarded the Goldman Environmental Prize for her work – an annual award given to six grassroots environmental leaders, each working in a different continent...

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