Possible Clues:

• Civil rights initialism
• Dept. of the Interior org. that employs forest firefighters
• Social justice movement inits. since 2013
• Anti-racism gp
• Social movement hashtag
• Letters for some anti-profiling activists
• Racial justice movement since 2013, for short
• Racial justice movement since 2013, in brief
• Letters on a sign at a racial justice march, perhaps
• Modern social justice movement letters