Great Barrier Reef, Queensland, Australia
© AWL Images/Danita Delimon
The largest living organism on Earth
Today marks the second ever World Reef Day, an observance created to help focus global attention on the deteriorating health of our planet's vital reef systems, and also to help marshal efforts to help them recover. Why should you care about the health of ecosystems such as the Great Barrier Reef, seen in this photo? Because reefs are an easy indicator of how healthy our oceans are. And right now, reefs aren’t doing too well. What can you do? Learn about reefs—not just the dangers that put healthy reefs at risk, but why reefs are such a critical part of Earth's greater ecosystems.
Related Images
Mona Vale rockpool, Sydney, Australia
Atlantic spotted dolphins near Santa Maria Island, Azores, Portugal
Broken Beach in Nusa Penida, Bali, Indonesia
Aerial view of Khao Sok National Park, Surat Thani, Thailand
Group of giant cuttlefish in Spencer Gulf, off Whyalla, South Australia
Crescent-tail bigeye fish in the Great Barrier Reef, Australia
A green sea turtle swims in the Pacific Ocean near the French overseas territory of New Caledonia
California sea lion in a forest of giant kelp, Baja California, Mexico
Today on Bing
Aerial image of the Great Barrier Reef, Australia
Jun 01, 2023
Coral reef in Marovo Lagoon in the Solomon Islands
Jun 01, 2022
The High Trestle Trail Bridge in central Iowa
Jun 01, 2019