A few degrees of warming doesn’t sound like much, but in the ocean it’s catastrophic — warmer water holds less oxygen, fuels massive algal blooms, and creates over 500 growing ‘dead zones’ where nothing can survive. Oceans absorb 90% of the excess heat we create, and even a 1–2°C rise collapses ecosystems. The Earth will eventually adapt and reset, but humans won’t. The planet isn’t dying — we are 🥺