Extreme marine heat is the "new normal" for oceans, study finds

150 years of data, collected since 1870, shows that heat extremes are now widespread in our oceans — and delicate ecosystems may be at risk of collapse.

• Feb 1, 2022

"Magical" coral reef discovered in Tahiti

Researchers have discovered one of the largest coral reefs on record — more than 100 feet underneath the Pacific Ocean near the Tahiti islands. One diver compared it to the work of a "great seamstress," and said "it was like a work of art."

• Jan 20, 2022
• 01:38

Climate change impacting Florida ecosystems

Warming waters and pollutants are destroying the habitats of manatees, fish and coral in and around the state of Florida. CBS News meteorologist and climate specialist Jeff Berardelli went to Florida to investigate the dilemma and see what scientists and activists are doing to try to stop it.

• Dec 29, 2021
• 09:21

"Bizarre" coral reef sounds offer hope of recovery after destruction

Scientists say there's now hope that reefs previously destroyed by fishermen using explosives to kill massive amounts of fish can be restored.

• Dec 8, 2021

The full episode of the CBS Evening News from the August 18, 2014 edition

Following yet another night of violence in which three people were shot, the governor of Missouri deployed the state's National Guard to Ferguson.; and, Jeff Glor tells us about a battle to save the world's coral reefs, waged by scientists and explorers armed with some very special cameras.

• Aug 18, 2014
• 21:20

UNESCO's World Heritage Sites: Protecting the world's treasures

For nearly 50 years the United Nations Educational, Scientific and Cultural Organization has listed outstanding natural and man-made sites as culturally significant locations worthy of protection. But what does designation as a World Heritage Site actually mean for a glacier or coral reef, or a landmark like the Taj Mahal? Correspondent Conor Knighton treks for answers.

• Jul 18, 2021
• 06:27

1/10/18: CBSN Evening News

More than a dozen killed in Southern California mudslides; self-help expert on reaching your full potential.

• Jan 10, 2018
• 51:58

Sunscreen & protecting coral reefs

Hawaiian lawmakers are considering a ban on some popular sunscreens to protect coral reefs. Researchers found that oxybenzone, a UV filtering ingredient commonly found in lotions, harms the coral. Carter Evans got a firsthand look at the issue near Kona, Hawaii.

• Aug 17, 2017
• 03:42

Re-growing coral reef

Scientists say climate change is contributing to the devastation of the world's coral reefs - including a 300-mile long stretch off the coast of Florida. But a group of underwater farmers are working to reverse the damage. Manuel Bojorquez reports.

• Jul 2, 2017
• 02:20

Saving Florida's coral reef

Florida's coral reef is the only tropical reef system in the continental U.S. and the third largest in the world. However, in one decade, the reef has lost nearly half its coral cover. Manuel Bojorquez reports on how citizen scientists are helping efforts to save the reef.

• Jun 30, 2017
• 03:32

Coral reefs make up the habitat of over 25% of all ocean creatures

Coral reefs make up the habitat of over 25% of all ocean creatures. Jeff Glor reports how warmer ocean temperatures are causing these reefs to turn white.

• Oct 8, 2015
• 01:53

Jeff Glor tells us about a battle to save the world’s coral reefs, waged by scientists and explorers armed with some very special cameras

Jeff Glor tells us about a battle to save the world’s coral reefs, waged by scientists and explorers armed with some very special cameras.

• Aug 18, 2014
• 02:05

Australia's Great Barrier Reef status lowered to "critical"

The world's largest coral reef is now in "critical" condition — the most urgent designated status.

• Dec 4, 2020

Massive coral reef discovered off Australia

A coral reef taller than New York City's Empire State Building has been discovered off the coast of Australia. The first discovery of its kind in over 120 years, scientists say the reef is more than 1,600 feet tall. It was discovered by scientists conducting a year-long search of the ocean surrounding Australia.

• Oct 28, 2020
• 00:50

Coral reef taller than Empire State Building found off Australia

It's the first to be discovered in over 120 years.

• Oct 27, 2020

Dying coral reefs turn vibrant neon in apparent survival effort

Coral reefs on the brink of death are attempting to send a survival signal, via fluorescent neon colors.

• May 22, 2020

Lab-spawned coral may save "America's great barrier reef"

Much of the coral in the 10,000-year-old Florida reef has been lost due to climate change, disease and pollution — now scientists may have a way to help save it.

• Apr 22, 2020

Climate change could wipe out coral reef habitats in decades

"By 2100, it's looking quite grim," the lead researcher said.

• Feb 19, 2020

Floridians are fighting over sunscreen bans

Environmentalists say chemicals destroy coral reefs that support tourism, but some state lawmakers see skin cancer danger.

• Jan 24, 2020

Damaged coral reefs could be restored using underwater loudspeakers

Scientists played vibrant sounds of healthy coral to attract young fish - a practice that could be used to revive coral reefs globally

• Nov 30, 2019

Australia downgrades outlook for Great Barrier Reef over warming

Government agency changes health prognosis for world's biggest reef from "poor" to "very poor" as world's oceans warm up

• Aug 30, 2019

Nature up close: Cancun reefs and Sargassum

Changes in the Gulf of Mexico are an indication of how human activities in one area can negatively affect organisms thousands of miles away

• Jul 25, 2019

A deep dive with Ray Dalio

Oh the metaphors! Sharks surround the submarine of billionaire hedge fund manager Ray Dalio as he compares the death of coral reefs to an "imbalance" in capitalism that is widening the wealth gap in America.

• Apr 7, 2019
• 02:01

Global warming threatens coral reef recovery

"We used to think that the Great Barrier Reef was too big to fail – until now"

• Apr 3, 2019

Mini-satellites help map Great Barrier Reef

So-called ocean heat waves are happening more often, lasting longer, and becoming more severe. Researchers compare the phenomenon to wildfires on land. But instead of wiping out forests, they destroy kelp, sea grass, and coral reefs underwater. One group of scientists is trying to save coral reefs by cataloging all 150,000 of them worldwide. For his Climate Diaries series, Mark Philips swam along on a recent expedition to the most famous coral reef in the world.

• Mar 18, 2019
• 05:31

Show More