Tag

sea ice

The Importance of Sea Ice

By | Arctic, We Are Water | No Comments

The extent of the cover of sea ice at both poles keeps reaching new records. According to NASA, the Arctic sea ice reached a record low wintertime extent on March 7, 2017. It was the same situation on the other side of the world when Antarctic sea ice levels were documented to reach its lowest extent recorded since satellites began to measure these parameters in 1979. What is even more troubling is that what remains is even thinner than before. Sea ice plays many roles in the health of our planet. When sea ice melts, nutrients are released into the…

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Earth’s Changes in Surprising Ways as Ice Melts

By | All Posts, Sedna Expedition, We Are Water | No Comments

This article in the Daily Beast confirms a simple truth. As we lose large areas of ice cover, the earth changes in dramatic ways. When I wrote the movie Ice Island in 2000, I learned that the ice was so thick over Antarctic that is squeezed the earth into a slight pear shape. The large mass also affects gravity and as we shift mass around the planet by melting ice, there are documentable changes that are happening very quickly. The Daily Beast sums it up well.

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Polar Bears Need Sea Ice

By | All Posts, Sedna Expedition, Underwater Photo and Video | No Comments

Some people wonder why it matters when the climate changes and sea ice melts. Travel with this family of polar bears as they search for sea ice that is central to their efforts to find food. This beautiful short from Arctic Bear Productions on the GoPro YouTube channel depicts a family of polar bears on their quest to find a place to rest: sea ice. While this footage is stunning, its message is quite somber. Eventually, the bears reach land, but do not find ice. There’s a reason for this. Polar bears need sea ice to hunt seals — but,…

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