Shifting ocean conditions mean that animals have to adjust to the loss of some food sources and changes in their habitats. Now, researchers have used almost 30 years of data to document how the trophic niches and diets of fin, minke, and humpback whales have shifted in the context of environmental changes in the North Atlantic Ocean. They found that these whales are eating more fish and less krill than they used to. Whales also divvied up resources more clearly and kept more to their own niches, which could indicate reduced prey availability in recent years.

Climate change and armed conflict rank among the strongest drivers of migration across Africa. A new study by researchers at Chungnam National University analyzes 20 years of data (1995–2015) from African nations, finding that climate adaptation—particularly improvements in agricultural productivity—significantly weakens migration pressures linked to drought and armed conflict. Higher adaptive capacity, including better water access, health systems, and infrastructure, moderates these effects most during overlapping crises.

During the last ice age, the Atlantic Ocean’s powerful current system remained active and continued to transport warm, salty water from the tropics to the North Atlantic despite extensive ice cover across much of the Northern Hemisphere, finds new research led by UCL scientists.