Penobscot Nation member June Sapiel of Indian Island speaks at the demonstration against the Dakota Access Pipeline on Saturday.

Penobscot Nation and Maine climate activists rally to protest the Dakota Access Pipeline in Portland's Congress Square Park on Saturday .

Penobscot Nation and Maine climate activists rally Saturday as part of a national week of solidarity with those who opposed the Dakota pipeline.

Representatives of the Penobscot Nation sing traditional songs during the demonatration against the Dakota Access Pipeline in Portland's Congress Square Park on Saturday.

Demonstrators line High Street during the protest against the Dakota Access Pipeline.

Jenifer Wikstrom, left, and Brianna Gleason carry their posters during the demonstration against the Dakota Access Pipeline on Saturday.

Julie Egan of Lyman, left, joins friends Avery Rasica, Amber Baker and Journey to hold placards at the demonstration against the Dakota Access Pipeline on Saturday.