Watch scientists discover a 500-meter-tall reef in the Great Barrier Reef
Scientists from the Schmidt Ocean Institute use a remotely operated vehicle to explore the first giant detached coral reef discovered in the Great Barrier Reef in 120 years.
After three recent mass bleaching events, the future of Australia's Great Barrier Reef is in the balance.
Now divers and tourists are being asked to take thousands of photos of the reef, allowing conservationists to understand which areas can most benefit from the its annual spawning event. Researchers in Australia say they have developed a technique to grow and transplant new coral populations on the Great Barrier Reef.
They say "Coral IVF" could help replenish one of the world's most endangered ecosystems.
Al Jazeera's Alexandra Byers reports.
COVID-19 could drive down the U.S. population these experts say, as a study shows that America could see 500,000 fewer births in 2021.