“Do Younger Generations Care More about Global Warming?” Yale Program on Climate Change Communication,
         https://climatecommunication.yale.edu/publications/do-younger-generations-care-more-about-global-warming/.
This website at Yale explains how youth do care about environmental awareness more than older generations, but don't show a much higher rate of activism to them. 

Finch, Kathryn C., et al. “Public Health Implications of Social Media Use during Natural Disasters, Environmental
         Disasters, and Other Environmental Concerns.” Natural Hazards, vol. 83, no. 1, 2016, pp. 729–760.,
         doi:10.1007/s11069-016-2327-8.
This peer-reviewed article explains how social media has actually made it easier to see affects of natural disasters like hurricanes, tornados, and earthquakes. 

“The 'Greta Effect' On Student Activism and Climate Change.” NEA Today, 20 Sept. 2019,
         ​http://neatoday.org/2019/09/19/the-greta-effect-student-activism-climate-change/.
This article talked about a worldwide international climate strike where legions of students will walk out of their classrooms.

Ladd, Jonathan Mcdonald, and Gabriel S. Lenz. “Exploiting a Rare Communication Shift to Document the Persuasive
        Power of the News Media.” American Journal of Political Science, vol. 53, no. 2, 2009, pp. 394–410., doi:10.1111/j.1540
        5907.2009.00377.x.

“The Rise of U.S. Youth Climate Activism.” Harvard Political Review The Rise of US Youth Climate Activism
        Comments, https://harvardpolitics.com/united-states/youth-climate-activism

Seelig, I. Seelig Michelle I. “Advocating Environmental Issues Beyond Photography.” Taylor &
      Francis, https://www.tandfonline.com/doi/full/10.1080/17459435.2015.1086420.
This peer-reviewed paper(academic source) goes into the shift in climate from preservation to prevention. Photographers no longer took pictures of the natural world, but how humanity has infiltrated it. Photographers have taken awareness into their own hands by leaving behind news outlets and making media partnerships and alliances with more unconventional platforms.