We thought some places on Earth were still beyond us.
So remote, so inaccessible, so far from our daily habits that they would remain untouched by the damage we leave behind. The Mariana Trench, the deepest known point in the ocean at nearly 11,000 meters below the surface, seemed like one of those last pristine places.
Then scientists found a plastic bag there.
It sounds almost ordinary, even banal. A plastic bag. The kind used for minutes, tossed away, forgotten. But in the deepest part of the ocean, that single object says something terrifying about the true state of our planet.
The Mariana Trench Is Not an Empty Desert
We often imagine the deep sea as a silent, lifeless world.
It is not. The Mariana Trench is home to life: corals, jellyfish, octopuses, and many other species adapted to conditions humans can barely comprehend. These animals do not exist in a sterile vacuum. They live, feed, move, and survive within their environment.
That is what makes the discovery so disturbing.
Our waste has reached them.
According to the International Deep-Sea Litter Database, 17% of recorded images of plastic show direct interactions with marine species. Animals are seen entangled in it, ingesting it, or coming into contact with it. Objects we use once and discard are now part of the daily reality of creatures living in one of the most remote ecosystems on Earth.
A Chilling Figure: 89% Single-Use Plastic
The plastic bag was not an isolated accident.
The same research found that 89% of plastics discovered in the Mariana Trench are single-use items. These are the products we use briefly, often for only a few minutes, before throwing them away without much thought.
Their journey to the deep ocean is long, but relentless.
Around 80% of marine plastic begins on land. Rivers flowing through densely populated areas carry huge amounts of plastic waste into the sea each year. The remaining share is dumped directly into the ocean by ships and other maritime activity.
Abandoned fishing gear adds to the crisis, making up a major part of the floating plastic accumulations often described as “plastic continents,” including the Great Pacific Garbage Patch, an area famously compared to three times the size of France.
Microplastics Are the Invisible Threat
What researchers worry about most is not always what we can see.
See more on the next page
