In which a new John takes a new walk in new woods. The Anthropocene Reviewed book is available for preorder now: https://www.penguinrandomhouse.com/books/672554/the-anthropocene-reviewed-by-john-green/ (All preorders of the U.S. edition will be signed.) This video contains a clue. The clue leads to a secret livestream. It is possible to solve the clue on your own, but more practical to do so in collaboration with others. You can join a clue-solving team at http://reddit.com/r/nerdfighters, http://tuataria.com/join, or at other nerdfighter groups listed here: https://nerdfighteria.com/online-nerdfighter-communities ---- Subscribe to our newsletter! https://nerdfighteria.com/nerdfighteria-newsletter And join the community at http://nerdfighteria.com/ Help transcribe videos - http://nerdfighteria.info/ Learn more about our project to help Partners in Health radically reduce maternal mortality in Sierra Leone: https://www.pih.org/hankandjohn If you're able to donate $2,000 or more to this effort, please join our matching fund: https://secure.pih.org/a/be-the-match-for-sierra-leone John's twitter - http://twitter.com/johngreen Hank's twitter - http://twitter.com/hankgreen Hank's tumblr - http://edwardspoonhands.tumblr.com/ Listen to The Anthropocene Reviewed at http://www.theanthropocenereviewed.org/ Listen to Dear Hank and John at http://www.dearhankandjohn.org/ Book club: http://www.lifeslibrarybookclub.com/