कोरल रीफ संकट और उम्मीद

Coral reefs protect 150,000 kilometers of coastline

and feed 500 million people worldwide. But rising

ocean temperatures are destroying them faster than we can save

them. Here's what's happening. Corals

aren't just rocks. They're living animals

hosting tiny algae called zooxanthellae that give

them color and food through photosynthesis. When water

heats just half a degree above normal, corals