Last Watched

"Enviromentalism"  Sort by

Heaven and Hell

   1980    Science
Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury monks in 1178. It moves to a description of the environment of Venus, from the previous fantastic theories of people such as Immanuel Velikovsky to the information gained by the Venera landers and its implications for Earth's greenhouse effect. The Cosmos Update highlights the connection to global warming.
Series: Cosmos
Power of Art
Power of Art

   2006    Art
The Last Czars
The Last Czars

   2019    History
How the Universe Works Series 8
How the Universe Works Series 8

   2019    Science
Space Phenomena
Space Phenomena

   2020    Science
Science and Islam
Science and Islam

   2017    History
Leaving Neverland
Leaving Neverland

   2019    Culture
Tiger
Tiger

   2020    History