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Why and How Marine Life Is Disappearing Faster Than Ever

Turtle passed away from plastic pollution
By ItzAbdullahi - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=130032231

The world’s oceans are on the edge of a mysterious and dangerous tipping point. A new report reveals that rising acidity levels, driven by human activity, are pushing marine life and the climate to the brink. As our oceans transform, creatures like corals and shellfish face an uncertain future, and the impact on global food supplies could be catastrophic. Could we still turn the tide before it’s too late, or is the damage already done? Only time will tell, but the clock is ticking.

Oceans Approaching Dangerous Acidity Levels

turtle
Hawksbill Sea Turtle swimming along the ocean floor. Image by shalamov via Depositphotos

The world’s oceans are nearing a critical level of acidity, which could severely impact marine life and the climate. A report from the Potsdam Institute for Climate Impact Research (PIK) warns that we are approaching a tipping point. This acidity is largely driven by carbon dioxide emissions.

Nine Key Environmental Factors Studied

Scientists identified nine key factors that help regulate Earth’s ability to support life. Unfortunately, six of these factors have already exceeded safe levels. Human activity, particularly the burning of fossil fuels, is a major contributor.

Ocean Acidification on the Brink

View of Neist Point lighthouse and rocky ocean coastline, highlands of Scotland.
View of Neist Point lighthouse and rocky ocean coastline, highlands of Scotland. Image by martinm303 via Depositphotos.

Ocean acidification is expected to be the next threshold to be breached. The report, called the Planetary Health Check, explains how increasing CO2 levels are pushing oceans beyond their capacity. The ocean’s ability to sustain marine life and stabilize the climate is at serious risk.

Dangerous CO2 Emissions

Burning fossil fuels like coal, gas, and oil releases carbon dioxide into the atmosphere. A significant portion of this CO2 dissolves into the ocean, making the water more acidic. As a result, many marine species are now at risk.

Impact on Marine Life

pistol shrimp
World’s Loudest Animal – Pistol Shrimp. Image via Depositphotos

Acidic water can cause damage to vital ocean creatures such as corals, shellfish, and phytoplankton. These species are essential to the marine food chain. Their loss threatens food supplies for billions of people around the world.

Global Warming and CO2 Absorption

As the oceans become more acidic, they lose their ability to absorb additional CO2. This further accelerates global warming. Addressing ocean acidification is crucial to slowing the rise of global temperatures.

The Ozone Layer and Air Pollution

plastic pollution
By Tharmapalan Tilaxan – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=89809939

The report also discusses the ozone layer, which is showing signs of recovery. Since the ban of harmful chemicals in 1987, the ozone has started to heal. However, other air pollutants like fine particles remain a concern, especially in industrializing nations.

Fine Particle Pollution Still a Threat

Airborne particles can cause lung and heart diseases, and the levels are nearing dangerous limits. Some countries have taken steps to reduce these pollutants by banning certain types of cars. However, the danger persists in areas undergoing rapid industrialization.

Planetary Boundaries and Tipping Points

India ranks highest plastic pollution
Image via Unsplash

The nine factors identified by the PIK are interconnected, meaning that breaching one can affect others. For instance, excessive global warming can worsen ocean acidification. If these tipping points are crossed, it could lead to catastrophic consequences for billions of people.

Addressing the Crisis

Despite the dire warnings, the report offers hope. By tackling one issue, such as preventing global temperatures from rising more than 1.5 degrees Celsius, we can benefit multiple environmental systems. Swift action on emissions is crucial to preserving life on Earth for future generations.