Watching polar bears watching you

A new study is published on polar bear behaviour near ice breaker operations.

Today is Arctic Sea Ice Day. When we think of the Arctic the polar bear is one of the first species we think of. It is an iconic Arctic species but one that is threatened by sea ice loss. The Arctic has experienced record lows in sea ice over recent years. This June set yet another record low for Arctic sea ice extent. The National Snow and Ice Data Centre in the United States reported the sea ice to average a mere 10.6 million square kilometers in June. This may sound like a lot but it is the lowest average sea ice extent for the month of June since the Centre’s records began in 1979.

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Seismic shift in focus?

The issue of underwater noise as a form of pollution is gaining increasing notice with the general public, scientists and decision makers. Two new papers released in the past few weeks have focused on the issue of noise pollution and the use of seismic surveys (used in exploration for oil and gas reserves) which involves using loud sound pulses fired from compressed air guns to explore below the sea bed.

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