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Currently Playing: Scientists task these “unicorns of the sea” to gather crucial Arctic data | September 3, 2026

Today on CNN10: We'll get a look at a new study that's showing some surprising benefits stemming from London's efforts to curb pollution. Then, we'll hear from a trailblazing pilot who is spearheading search and rescue efforts following catastrophic flooding in Nepal. Plus, we'll learn how some of the ocean's most unique animals are helping scientists explore remote parts of the Arctic, and better our understanding of climate change. All this and more on today's CNN10!