Shellalaska

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Shell begins Arctic Sea drilling hailed as breakthrough for oil exploration

Drilling marks end to Shell's six-year wait, start of fresh environmental protests.

A Greenpeace environmental activist covers the logo of the Shell oil company to protest on May 10, 2012 against the heading of the an icebreaker for Shell's Arctic oil drilling project in the north of Alaska.

Michal Cizek

AFP/Getty Images