This podcast episode explores the potential of hydrogen as a low-carbon energy source for achieving net zero carbon emissions. It discusses the different types of hydrogen production, including grey, blue, and green hydrogen. The importance of blue hydrogen in the transition towards net zero in the Northwest region is emphasized, as well as the challenges and potential of using hydrogen in industries like steelmaking and glass manufacturing. The episode also delves into other topics such as the mystery behind humpback whales' songs, hermit crabs using plastic items as shells, the impact of plastic pollution on animals and the environment, and the Japanese Space Agency's moon lander. Overall, the episode highlights the potential and challenges of hydrogen as an energy source and raises awareness about environmental concerns.