Reviews of the episode highlight its accessible tone and educational value, though perspectives vary on its depth:
The first episode of , titled "Iceland," serves as a high-energy introduction to the series' core mission: exploring sustainable living through the lens of a "foodie travel documentary". [S1E1] Iceland
Located in Reykjavik, this segment focuses on sustainable local cuisine. Critical Reception Reviews of the episode highlight its accessible tone
“Such informative, deep dive conversations into our connection to the earth and the systemic ways in which humanity is hindering it.” Apple Podcasts Down to Earth with Zac Efron: episode 1, Iceland [S1E1] Iceland
: Educators have praised the episode as a "great introduction" to geothermal energy and environmental ethics, frequently using it in high school Earth Science and Geography classrooms.