10 Incredible Facts About Our Oceans

Oceans cover over 70% of our planet’s surface and contain 97% of all water on Earth. They’re the largest and most diverse ecosystems on the planet!
Scientists estimate that there are over 1 million marine species, with many still undiscovered. Who knows what incredible creatures are hiding in the depths?
The Mariana Trench, in the Pacific Ocean, is the deepest part of the ocean, plunging about 36,000 feet (nearly 7 miles) into darkness.
Oceans produce at least 50% of the Earth’s oxygen, thanks to tiny plants called phytoplankton. Every other breath you take is courtesy of the ocean!
The ocean floor has more mountains than land does. The mid-ocean ridge is the longest mountain range on Earth, stretching 40,000 miles!
There’s an underwater waterfall in the Denmark Strait between Greenland and Iceland, with water falling over 11,500 feet—far deeper than any land waterfall.
The oceans generate trillions of dollars annually, supporting industries like fishing, shipping, tourism, and renewable energy.
More than 80% of the ocean remains unexplored, making it one of the greatest mysteries on Earth.
The blue whale, the largest animal to ever exist, calls the ocean home. It can grow up to 100 feet long and weigh as much as 200 tons.
Oceans act like Earth’s air conditioner, absorbing over 90% of the heat from global warming and regulating temperatures across the planet.

The ocean is awe-inspiring, mysterious, and essential to life on Earth—let’s protect it!