How Does Carbon Pollution Impact Our Ocean?
The ocean plays a vital role in absorbing carbon dioxide (CO₂) from the atmosphere, which helps regulate our planet’s climate. When CO₂ dissolves in seawater, it helps reduce the amount of this gas in the air, acting as a natural “carbon sink“. However, human activities—particularly through the burning of fossil fuels, deforestation, and industrial processes—are producing more CO₂ than ever before. As the ocean absorbs more of this excess carbon, it starts to change the water’s chemistry, leading to what we call ocean acidification.
Ocean Acidification
When the ocean takes in too much CO₂, the water becomes more acidic. This acidification affects marine life, especially those that rely on calcium carbonate to build their shells and skeletons. Corals, for instance, struggle to maintain their reefs, making them weaker and slower to grow. This weakening of entire coral reef structures can lead to a loss of biodiversity and impact the ecosystems that depend on these reefs.
Shellfish like oysters and clams also find it harder to form their shells, leading to fewer surviving offspring. Even tiny creatures like certain plankton, which are a crucial part of the food chain, can have their shells dissolve in more acidic waters. Sea urchins, which use calcium carbonate for their spines, also face challenges in these changing conditions.
Why Ocean Acidification Matters?
As ocean acidification continues, it poses a serious threat to the health of marine ecosystems. Corals, shellfish, and other sea creatures that depend on calcium carbonate are finding it harder to survive in these more acidic waters. This not only affects the animals themselves but also the larger marine environment, including the communities that rely on healthy oceans for food and livelihoods. The combined effects of ocean acidification, coral reef loss, and disrupted fisheries can have significant economic consequences, particularly for coastal communities dependent on marine resources. Reducing carbon emissions is crucial to slowing down this process and protecting the ocean’s delicate balance.
By Fahmi, AMD-B’s 2024 Divemaster Intern
