Jason Momoa has a new look and a call to action. The 43-year-old actor chopped off his signature long locks over the weekend in favor of a dramatic new buzz cut ... off the hair," he declares.

Jason Momoa, 43, buzzed off his signature long hair for a good cause yesterday ... “be better at protecting our land and oceans. we need to cut single use plastics out of our lives and out ...

Jason Momoa has embarked on “new beginnings ... Momoa also shows off his cut braids and explains that he cut his hair to bring awareness to single-use plastics. “I’m tired of using ...

And now Jason Momoa, who is well-known and -loved for ... revealing that the big chop is actually for a good cause: The actor is cutting his hair to inspire others to cut single-use plastics ...

Aquaman's Jason Momoa is making a splash with his new 'do. The actor, 43, got his hair cut to support a cause close to his heart and documented the process in a video posted to Instagram Sept.

Fans seemed to like his new look, and were thankful he didn't lose it all. "Dope!! Thought the whole hair was cut off," wrote one fan. More Momoa: Jason Momoa thanks fans for giving his family ...

The "Aquaman" star shared a video to Instagram Monday showing a hair stylist shaving ... Daily Crossword Puzzle. More Jason Momoa: Actor thanks fans for giving his family 'space' and 'privacy ...

As of press time, this is the lone piece of visual media depicting the partial buzz cut Momoa ... Fury Road, Momoa covered his shoulder-length hair with a funny hat. August 2014: Jason Momoa ...

Jason Momoa has shaved off much of his trademark ... need to eradicate single-use plastic inspired his decision to cut his hair. “I'm tired of these plastic bottles,” he says.