The Kill Bill star joined a sit in involving dozens of protesters urging President Obama to reject the planned Keystone XL tar sands line, which will go through Montana, South Dakota, Nebraska, Kansas Oklahoma.
If completed, 900,000 barrels of "the world's dirtiest oil" will end up in refineries in Houston and Port Arthur, TX each day.
Before her arrest Hannah, who screen career has spanned decades said that the group Tar Sands Action want to be free from dependence on fossil fuels and hope the president will not bow to oil lobbyists.
She was arrested after she sat down on the sidewalk near the White House and refused orders from the U.S. Park Police to move.
A pal of the star revealed: "This is something Daryl cares passionately about. She really does believe that we should be looking at other solutions than the filthy Albertan Oil.
"She expected to get arrested and it won't be her first time she's been hauled in on environmental issues, so she won't be bothered about that.
"Besides she believes that it's trivial compared to the cause she's highlighting."