Metal

n. Usually as a mass noun. Hard, shiny, malleable material of the kind originally represented by gold, silver, copper, etc. (see sense A. 1b), esp. as used in the manufacture of objects, artefacts, and utensils.

Podcasts
Small, Laura, Kevin Olp. "Mapping Environmental Justice: How Can You Use EPA’s EJSCREEN Tool?" Environmental and Energy Study Institute (EESI), May 19, 2016. Video or Audio, 59:47. https://www.eesi.org/briefings/view/051916ejscreen.

Texts and other related media
Dissell, Rachel, Brie Zeltner, The Plain Dealer. “A look at lead poisoning through the years: Toxic Neglect (photos).” Cleveland.com, January 11, 2019. https://www.cleveland.com/healthfit/2015/10/a_look_at_lead_poisoning_throu.html
Dissell, Rachel, Brie Zeltner. “Cleveland City Council legislation aims for “systemic change” in approach to lead poisoning.” Cleveland.com, June 3, 2019. https://www.cleveland.com/metro/2019/06/cleveland-city-council-legislation-aims-for-systemic-change-in-approach-to-lead-poisoning.html
Feigl-Ding, Eric. "Lead Contamination Beyond Flint." The Forum, Harvard TH Chan School, April 20, 2017. Video, 8:47. https://youtu.be/xGHNgGFQlQ8.
Gioielli, Robert. “Get the Lead Out: Environmental Politics in 1970s St. Louis.” Journal of Urban History 36, No. 4, 2010.
Kennedy, Merrit. “Lead-Laced Water In Flint: A Step-By-Step Look At The Makings Of A Crisis.” NPR Radio, April 20, 2016. https://www.npr.org/sections/thetwo-way/2016/04/20/465545378/lead-laced-water-in-flint-a-step-by-step-look-at-the-makings-of-a-crisis
McClintock, Nathan. “Assessing soil lead contamination at multiple scales in Oakland, California: Implications for urban agriculture and environmental justice.” Applied Geography 35, Iss. 1-2 (2012): 460-473. https://www-sciencedirect-com.ezp-prod1.hul.harvard.edu/science/article/pii/S0143622812001014
NRDC attorneys and local residents. "Fighting for Justice in Flint." Natural Resources Defense Council, November 13, 2017. Video, 13:25. https://www.nrdc.org/stories/fighting-justice-flint.