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Climate & Environment
11 December 2024

Washington Struggles With Ocean Acidification And Environmental Justice

Climate change poses grave threats to marine ecosystems and local livelihoods as communities fight for their water rights

Washington State is grappling with serious environmental impacts stemming from climate change, significantly affecting its coastline and residents' livelihoods. Recent research from the Washington State Department of Ecology has unveiled disturbing trends tied to ocean acidification, driven primarily by carbon emissions. This change threatens shellfish populations and, by extension, the traditional diets and economies of local communities.

Micah Horwith, senior scientist at the Department of Ecology, explains the gravity of the situation: "Ocean acidification, like climate change, is caused by carbon pollution worldwide. It’s a complicated problem, but it’s also within our power to protect the future of the ocean." With carbon dioxide emissions rising at alarming rates, the waters off Washington's coast are becoming more acidic, jeopardizing species like oysters and salmon, which are cornerstone staples for many Washingtonians.

How exactly does ocean acidification occur? It’s straightforward: as the ocean absorbs excess carbon dioxide from the atmosphere, the chemistry shifts. The water becomes corrosive, disrupting marine ecosystems and the balance of life. This transformation isn’t just about the ocean; it trickles down to impact the entire food web, putting stress on higher predators like orcas and directly affecting human populations dependent on fishing and shellfish harvesting.

Efforts to track these changes are underway, with Washington establishing long-term monitoring programs to observe water conditions at various depths throughout Puget Sound. These programs—initiated back in 2019—aim to measure the saturation of aragonite, which is necessary for shellfish to form their shells. Unfortunately, data indicates troubling trends: the waters have become significantly more corrosive over the past two centuries, with projections warning about even worse conditions by the year 2100 if carbon emissions continue unabated.

Scientists have developed what is known as the Ocean Acidification Indicator, which serves as a visual tool to communicate the state of ocean conditions. This helps not just researchers but also shellfish farmers and local management practices adjust to shifting conditions. The indicator captures when conditions are favorable for sensitive marine species, giving communities insight on how to adapt their practices to sustain local fisheries and aquaculture.

Shellfish farming, reported at $270 million annually, is at the forefront of concern. If current trends continue, future generations may find themselves with fewer resources. “Some species are highly sensitive to changes in the ocean, affecting entire ecosystems,” Horwith elaborates. This emphasizes the urgency of addressing greenhouse gas emissions.

To combat increasing ocean acidity levels, Washington has implemented the Climate Commitment Act (CCA), aiming for net-zero greenhouse gas emissions by 2050. This act stands as part of broader state policies to reduce carbon footprints and mitigate climate change postures.

While Washington's government brings forth ambitious environmental policies, challenges remain. A coalition of local Tribes and environmental advocates voices strong opposition to several infrastructure projects, such as the Sites Reservoir project, promoted under the banner of enhancing California's water supply. Critics have expressed alarm over the potential environmental fallout— from toxic discharges harming aquatic ecosystems to threats against sacred Tribal lands.

The Sites Reservoir, which Governor Gavin Newsom supports as part of improving California’s water infrastructure, has faced vehement backlash from many environmental groups. They assert this project could exacerbate water scarcity issues rather than alleviate them, particularly through harmful diversion practices affecting already stressed fish populations. Organizations like Save California Salmon highlight the legal and moral concerns linked with the lack of adequate tribal consultation on such impactful state policies. Regina Chichizola, from the organization, stated, "All Californians should be concerned about privatization of our public water resources; it prioritizes profit over justice for Native American Tribes and access to clean water.”

The potential for adverse effects on drinking water quality looms large, especially as these infrastructure projects evolve amid climate stressors. Opponents of the Sites Reservoir project fear increased pollution and cascading effects on both human health and traditional ecosystems. This highlights the need for comprehensive impact assessments and stronger collaborative frameworks with Indigenous communities who bear the brunt of these decisions.

Despite the significant challenges, there are rays of hope within the scientific community. Continuous monitoring of aquatic conditions can inform adaptive practices among shellfish farmers, helping them to decide the best times to plant and harvest, and to manage their operations more sustainably. Also, advocacy groups stress the importance of transparency and justice as frameworks for future water management policies.

To sum it up, Washington State is standing at the crossroads of environmental opportunity and disaster as climate change tightens its grip. While the state takes strides to implement meaningful change through innovative science and policy, the voices of Indigenous peoples and advocates against projects like Sites Reservoir remind the government to engage all stakeholders fully. Only through genuine collaboration and respect for traditional knowledge can sustainable solutions truly flourish.

This moment is pivotal—not just for Washington but for coastal communities everywhere facing the repercussions of climate change. A clear path forward must include rigorous scientific research, climate action, and above all, partnership with those predominantly affected by these shifts. Without this multi-faceted approach, the future may threaten not just economic livelihoods but the very ecosystems upon which local communities rely.