coral reefs

Live corals moving in current (© antos777/Shutterstock)

How climate change is harming coral reefs

Anybody near a coral reef could see climate change in action soon. Scientists predict warmer ocean waters are likely to cause more coral-bleaching events.
Diver at reef (Steve de Neef)

Diving into conservation made her a leader — and a ‘mermaid’

Having seen the beauty of marine life, and ocean pollution, diver Anna Oposa realized that the sea needs protection, so she started Save Philippine Seas.
Clownfish in coral (Wikimedia Commons)

Saving Nemo and the other creatures of the ocean

Clownfish, just like the star of “Finding Nemo,” may soon be listed as endangered because of the environmental damage being inflicted on our oceans.
A view of the shallow coral reefs of Henderson Island

A graveyard in the ocean…the end of coral as we know...

Coral reefs are vanishing faster than rain forests. Why? Every day for the last decade, our ocean has absorbed roughly 22 million tons of carbon dioxide.
Sea turtle swimming by coral (© National Geographic Creative/Mauricio Handler)

The South China Sea: Why it matters

The South China Sea is among the most beautiful places on Earth. Overfishing, dredging and land reclamation are threatening its future.
Boat on beach facing water (© Peter Griggs)

These young photographers will help you rediscover nature

See the photos taken by youth throughout North America that won the Commission for Environmental Cooperation's photo challenge.
Regal blue tang fish swimming near colorful coral reef (Shutterstock)

To protect coral reefs, keep Dory swimming [video]

Conservationists urge people to leave the regal blue tang, the fish star of "Finding Dory," in the wild to protect precious coral reefs.