(contenu disponible en anglais uniquement)
Think Earth has always been the Blue Planet? Think again. Early in its 4.6-billion-year history, our planet looked nothing like it does today—more orange, gray, or white than blue.
The ocean formed just a few hundred million years later, painting Earth in its iconic blue hue. But it wasn’t until the 1972 Apollo mission's Blue Marble photo that the phrase "Blue Planet" became iconic.
But here’s the twist: climate change is now reshaping the colors of our oceans. According to MIT research, subtropical waters may become even bluer due to a drop in life-sustaining phytoplankton, while polar waters could turn greener with more intense blooms fueled by rising temperatures.
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