Environment ❯ Climate Change

Oceanography

Marine Ecosystems Ocean Currents Atlantic Meridional Overturning Circulation Southern Ocean Ocean Heat Content Marine Heat Waves Marine Temperature Ocean Temperatures Carbon Cycle Marine Heatwaves

Models Boost Odds of Strong El Niño as NOAA Issues Watch for 2026 Hurricane Season

Forecasters say the timing of any summer onset will determine how much El Niño curbs Atlantic activity.

NOAA Issues El Niño Watch, Putting 62% Odds on Summer Onset

Ancient Antarctic Ice Extends Climate Records to 3 Million Years, Points to Ocean‑Led Shifts

First-Ever Shark Video From Antarctic Waters Captured at 490 Meters

Sleeper Shark Filmed in Antarctic Ocean for First Time

Report Confirms Climate-Linked Octopus Bloom Reshaping South West UK Fisheries

Family Confirms Death of 12-Year-Old Nico Antic After Sydney Shark Attack

2025 Confirmed as Third-Warmest Year as 3-Year Global Average Hits 1.5°C Benchmark

World’s Oceans Set Another Record for Stored Heat in 2025

Global Oceans Set 2025 Heat Record, Adding 23 Zettajoules

Germany Confirms Record 2025 North Sea Heat, Near-Record Baltic Warmth

Peru Tracks El Niño Risk: Normal Seas Now, Possible Return From April 2026

Iceland Labels Potential AMOC Collapse a Security Threat as New Studies Update Risk Signals

Southern Ocean Study Warns Stored Heat Could Prolong Warming Even After CO2 Declines

Southern Ocean Heat Release Could Reignite Warming for a Century, New Modeling Warns

Freshening Keeps Southern Ocean a Carbon Sink—for Now, AWI Study Finds

Study Finds Oceans Losing Greenness as Warming Cuts Phytoplankton

Global Study Finds Two-Decade Slide in Ocean Phytoplankton, Sharper at Coasts

Clam Shells Reveal Ongoing North Atlantic Destabilization, Raising Tipping-Point Concern

Copernicus Report Finds Oceans Warming Faster as Prolonged Heatwaves Reshape Marine Ecosystems