In the 21st century, the Earth’s oceans are growing warmer and more acidic. This change is happening slowly over the long-term, but it can also cause short-term, local spikes. These events are like ...

The oceans have absorbed a significant portion of all anthropogenic (CO 2) emissions (approximately a third of the CO 2 emitted from fossil fuel emissions, cement production and deforestation; Sabine ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. In November of last year, the second Winter School on ...

Scientists have known for decades that soaring atmospheric carbon dioxide emissions are causing changes in ocean chemistry, threatening marine life and ecosystems. In June 2025, a study found that ...

A first of its kind Planetary Health Check by an international team of scientists indicates that six of nine planetary boundaries are not only transgressed, but are moving further into zones of risk.

The levels of carbon dioxide and other greenhouse gases like methane and nitrous oxide have been steadily rising for many years due to a variety of human activities, like the burning of fossil fuels ...

Rising Ocean Acidification Could Leave Sharks Toothless, and Scientists Say It’s Not Good News ...

A critical measure of the ocean’s health suggests that the world’s marine systems are in greater peril than scientists had previously realized and that parts of the ocean have already reached ...

This is read by an automated voice. Please report any issues or inconsistencies here. PORTLAND, Maine — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth ...

Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those weapons at risk.