planet

SciTech Now Episode 439

In this episode of SciTech Now, we see what is being done to save the sacred Navajo water; Dave Mosher discusses the world’s most powerful rocket; Bill Nye’s warning for the future of our planet; and the challenges that Zoo’s face in replicating the natural habitat of their animals from around the world.

Ruth DeFries explains how the history of human development has impacted our planet.

For as long as humans have roamed the Earth, the advancement of technology has been a major driver of modernization and growth. Ruth DeFries, professor of Ecology and Sustainable Development and Columbia University’s Earth Institute, explains how the history of human development has impacted our planet, as discussed in her book The Big Ratchet.