A simple burst of bubbles is keeping this canal clear of plastic

<p>In Amsterdam, the Great Bubble Barrier is a simple solution to plastic pollution: creating an invisible barrier that helps collect the trash that ends up in the water.</p><br /><br /><br /><p>If you walk along the Westerdok canal in Amsterdam, you might not notice a line of bubbles moving across the surface. But underwater, a tube stretches along the bottom of the canal, pushing air upward. It&#x2019;s a pilot test of new technology, called the Great Bubble Barrier, designed to help catch plastic waste before it flows into the North Sea.</p><p>Read Full Story</p><br /> <br />

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