Related topics: climate change · sea ice · ice sheet

Agency proposes critical habitat for ringed seals

A federal agency has proposed about 350,000 square miles of ocean off Alaska's north and west coasts as critical habitat for the seal that's the main prey of polar bears.

Study: Polar bears disappearing from key region

A key polar bear population fell nearly by half in the past decade, a new U.S.-Canada study found, with scientists seeing a dramatic increase in young cubs starving and dying.

Climate change and the physics of falling icebergs

For thousands of years, the massive glaciers of Earth's polar regions have remained relatively stable, the ice locked into mountainous shapes that ebbed in warmer months but gained back their bulk in winter. In recent decades, ...

Did an exceptional iceberg sink the Titanic?

While the sinking of the Titanic in 1912 is typically blamed on human, design and construction errors, a new Significance paper points to 2 other unfavorable factors outside human control: there were a greater number of icebergs ...

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