Bhaskar Balasubramani from Salem, India
We tend to associate corals with warm, tropical regions. But there are also species that live in cold, dark, deep waters. What happens to these creatures as climate change warms the ocean and makes the water more acidic?
Clean water supplies are dwindling around the globe. To grow their crops, farmers resort to using untreated wastewater, which could make them sick - to an even greater extent than previously thought, a study finds.
Pollutants in the deepest part of the ocean, increasing litter on the remote Arctic seabed and a sad image showing a turtle entangled in a plastic fishernet. It is high time to tackle marine pollution.
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