Before it was blue, was our ocean GREEN? 🤔 For Earth’s first several billion years, our oceans were green. And now, rising temperatures are fueling massive phytoplankton blooms, turning parts of the ocean green again. This isn’t just a color change – it’s a signal of a rapidly changing marine ecosystem, a warning sign that we’re witnessing history before our eyes. 🌊🟢 Learn about how we fight for the blue ocean we know and love at oceana.org Article: @popularmechanics, Feb 2025 #ClimateChange #ClimateAction #OceanScience