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Currently Playing: How seaweed could help turn the tide on plastic pollution | March 31, 2026

Today on CNN10: We'll dive into the unique history behind the Eiffel Tower in honor of its 137th birthday, before learning why it and other famous landmarks around the world recently went dark for an hour. Plus, we'll hear all about a candy bar heist that that's nearly too sweet to be true, before seeing how one company is using seaweed to help cut down on plastic packaging. All this and more on today's CNN10!