Kallan Benson, 15, is making Maryland lawmakers take notice of environmental issues, all without saying a word."They have to look at her every day and think about the youth of this country and think, ‘Am I making the right choices?’" said Monica O'Conner, field director for the League of Conservation Voters. "And, ‘Am I passing laws for the next generation?’"Benson is protesting in silence with the hopes of encouraging lawmakers to pass the healthy Green Amendment, which would make access to clean water and air a Maryland constitutional right.Watch the video above to see the full story.