TED: Look up for a change | Lucianne Walkowicz

The video discusses the impact of light pollution on our ability to see the night sky, emphasizing the importance of preserving dark skies. It shares a personal story of experiencing a truly dark sky and highlights how artificial light affects our planet. The role of technology in astronomy is explored, including the Hubble Space Telescope and citizen science projects like Galaxy Zoo and Planet Hunters. The video concludes by stressing the value of experiencing the sky directly and encourages viewers to take action to protect this natural resource.

Explain the impact of outdoor lighting on the visibility of stars.

How does the speaker feel about the relationship between technology and the natural experience of the night sky?

What emotions does the speaker express about the vastness of the universe and our place in it?

What does the speaker suggest we can do to protect the dark night sky?