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Environment Mar 6, 2025

What climate vulnerability actually looks like

The imagery of climate change matters. How we perceive the world affects how we perceive climate change, and how it will affect us—or whether it will affect us at all.

Environment Mar 6, 2025

World's sea ice cover hits record low in February

Global sea ice cover hit a historic low in February as the world endured exceptional heat, with temperatures near the North Pole soaring 11 degrees Celsius above average, Europe's climate monitor said Thursday.

Plants & Animals Feb 27, 2025

Polar bear cubs emerging from their dens for the first time: New study captures rare footage

Researchers from Polar Bears International, San Diego Zoo Wildlife Alliance, the Norwegian Polar Institute, and the University of Toronto Scarborough reveal the first detailed look at polar bear cubs emerging from their dens, ...

Environment Feb 4, 2025

Arctic sea ice levels second lowest on record for January: US data

The sea ice in the Arctic was the second lowest on record for January last month, according to a US analysis released Tuesday, with areas around Greenland seeing temperatures well above average.

Plants & Animals Jan 30, 2025

Polar bears are struggling to get enough to eat as sea ice dwindles due to climate change, study finds

University of Toronto Scarborough researchers have directly linked population decline in polar bears living in Western Hudson Bay to shrinking sea ice caused by climate change.

Plants & Animals Jan 29, 2025

Greasy hair gives polar bears fur with anti-icing properties

An international team of scientists has discovered the anti-icing secret of polar bear fur—something that allows one of the planet's most iconic animals to survive and thrive in one of its most punishing climates. That secret? ...

Earth Sciences Jan 27, 2025

'Last Ice Area' in the Arctic could disappear much sooner than previously thought

The Arctic's "Last Ice Area" (LIA)—a vital habitat for ice-dependent species—might disappear within a decade after the central Arctic Ocean becomes ice-free in summer, which is expected to occur sometime around mid-century, ...

Mathematics Jan 13, 2025

Mathematical technique 'opens the black box' of AI decision-making

Western researchers have developed a novel technique using math to understand exactly how neural networks make decisions—a widely recognized but poorly understood process in the field of machine learning.

Earth Sciences Jan 12, 2025

Melting Antarctic ice sheets may be causing larger volcanic eruptions

Melting ice sheets are often considered synonymous with climate change in the media, with evocative images of lone polar bears floating on ever-shrinking rafts of ice. While impacts such as sea level rise and salinity changes ...

Earth Sciences Jan 6, 2025

Aerial survey data analysis reveals major changes in Arctic pressure ridges

In the Arctic, the old, multi-year ice is increasingly melting, dramatically reducing the frequency and size of pressure ridges. These ridges are created when ice floes press against each other and become stacked, and are ...

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