Neil deGrasse Tyson looks past politics to examine climate change, clean energy, the future of life on Earth, and spider goats with environmental activist and former Vice President Al Gore, blogger Andrew Revkin, and comic co-host Maeve Higgins.
Planetary scientist Dr. David Grinspoon answers questions about the human impact on Earth during the Anthropocene Era. Now updated with 13 minutes of Dr. FunkySpoon and Chuck Nice discussing why we must evolve from Homo Sapiens into Terra Sapiens.