While the images of nature throughout the series are epic, the close calls and familial tenderness of the characters really pull at the heartstrings. Liz recalls, “We woke up one night when filming the penguins, and it was so noisy. The penguins were really going off in the middle of the night, and my gut reaction was, ‘Oh my God. Is the volcano erupting? What's going on?’ And I opened up the tent. All the clouds had cleared, and there were stars everywhere, and the penguins were bouncing around and really chatty and really happy and I woke up the girl I was sharing my tent with. We went out and we were looking around, we were just like, ‘Wow, this is amazing!’ It's the little moments like that, the things that sort of stick with you.” respectively. The main sponsors of that year’s conference, energy giants Iberdrola and Endesa, aretwo of Spain’s biggest pollutersYet their names wereplastered on newspapers as they hosted meetings "And that week, I spent my drives to and from work car-listening, memorizing, imagining the story unfold with music, imagining how I might layer worlds, dramatize memory, and before I even knew that I had to write the book for this, it was already starting to happen in my head.” In many ways the audience is reminded of how large the planet is and how much can still feel so far away from humanity or untouched by human hands. However, as we’ll discover in each episode, humans play a role in affecting these environments, intentionally or ignorantly.