By Marlene Cimons
They strengthen the corals' foundation by growing over and between gaps in coral reefs, essentially gluing sections of coral together. They provide a surface for baby corals to settle, and serve as food for marine life, including sea urchins, parrot fish and mollusks.
By Avery Friedman
Algae is often considered a nuisance, but for Sweden, the rapidly growing sea plant is now an asset.
As the Scandinavian country works to cut all of its greenhouse gas emissions by 2045, it's using algae to sop up the carbon emissions from cement.
By Joe McCarthy
But for more than two decades, the lake has been known less for water and more for algae. That's because weak regulations have allowed billions of tons of wastewater, animal waste and garbage to flow unimpeded into the water.
By Matt Blois
More than 20 feet below the surface of the water, on the sandy sea floor between Cancún and Isla Mujeres in Mexico, a lobster takes refuge beneath a miniature concrete house. Scuba divers watch as the lobster slinks underneath the foundation. Farther on, hundreds of statues stand in tight circles. A little girl holds a purse close to her chest. A man looks straight ahead with a broom in hand. A thin layer of algae, sponges and coral covers the statues from head to toe.
The answer to powering our devices might have been hiding in our sushi all along. An international team of researchers has used seaweed to create a material that can enhance the performance of superconductors, lithium-ion batteries and fuel cells.
More than 20 states have seen occurrences of toxic algae blooms this summer, which have had far-reaching environmental and human health impacts across the country. The algae blooms can also be found around the world, in all climates from Greenland to Oman.
Even though glyphosate is used to control weeds in agricultural fields, the world's most commonly used weedkiller has also been detected in streams, rivers and other aquatic systems worldwide due to runoff.