Dan Joling

Associated Press

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Polar Bear Den Detection Tool Ineffective

It works less than half the time.

Pink Salmon Numbers a Threat

The voracious eaters are thriving at the expense of higher-value sockeye salmon, seabirds and other species.

This undated illustration provided by Hilcorp Alaska Inc. shows a model of an artificial gravel island of the Liberty Project, a proposal to drill in Arctic waters from the artificial island. Alaska Natural Resources Commissioner Andy Mack says oil production on gravel islands in state waters show that the Liberty Project can be done safely. Opponents say spills are inevitable and Arctic offshore oil should stay in the ground.

Oil Company's Artificial Island

The artificial island that would hold production wells, a processing facility and an undersea pipeline.

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Co. Settles with EPA After Falsifying Emissions

It's the second civil penalty for the company in seven years.

A Hilcorp helicopter crew Feb. 7 spotted gas bubbling to the surface about four miles off shore.

Flow Reduced in Leaking Pipeline

The underwater gas pipeline has been spewing into the water since mid-December.

A Hilcorp helicopter crew Feb. 7 spotted gas bubbling to the surface about four miles off shore.

Pipeline Spewing Natural Gas

It is leaking up to 310,000 cubic feet of gas daily.

Emma Bohman, a sales associate at Skinny Raven sporting goods, shows two kinds of exterior cleats attached to running shoes in Anchorage, Alaska. Exterior cleats are one of many ways Anchorage residents cope with up ice on streets up to seven months per year.

Footwear Options Abound in Alaska

Boots with retractable cleats and specialized running shoes are among the latest options to help Alaskans 'conquer winter'.

PNNL microbiologist Robert Jeters sprinkles PNNL's chemically modified sawdust onto a small oil spill inside the Arctic simulation lab, where researchers mimic extreme freezing conditions and make icy slush that is similar to what is found on the surface of the Arctic Sea.

Sawdust May Help Sop Up Oil Spills

Researchers are testing chemically modified wood flour to determine whether it can enhance the burning of crude oil after a spill.