Microscopic nanobubbles are being tested at Washington D.C.'s Lincoln Memorial Reflecting Pool to combat algal blooms. This innovative technology, injecting ozone nanobubbles, effectively cleans water and holds promise for restoring oxygen-starved lakes and seas suffering from eutrophication. Scientists are exploring methods to deliver these oxygen-carrying bubbles directly to the sediment layer, where critical environmental issues begin, offering a potential solution for vast polluted water bodies.