Meryl Streep is standing up for good journalism.

The “Mamma Mia! Here We Go Again” actress penned an open letter for PORTER magazine’s winter issue, which features the Incredible Women list.

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“We need to protect, defend and thank the current crop of journalists around the world because they, their scruples and their principles are the front-line defences of free and informed people. We need the brave ones out front picking through the field ahead of us for landmines so we don’t step on one, or elect one,” Streep wrote.

“Bravery is terrifying and actual, bravado is a parade. We see enough examples of Braggadocio and Bravado strutting around on the public stage,” she continued. “True bravery is Maltese journalist Daphne Caruana Galizia, blown up in her car for reporting on the Panama Papers. I applaud and revere our female journalists — I love them, and their equally undaunted brothers.”

She concluded: “We need them now more than ever.”

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Streep will star in “Mary Poppins Returns” with Emily Blunt, Lin-Manuel Miranda, Ben Whishaw, Colin Firth, Dick Van Dyke, and more in theatres Dec. 19.

The new issue of PORTER is available on Friday.

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Style Evolution: Meryl Streep