Congress passes a last-minute budget bill that includes a few unpleasant surprises.
Kathryn Bigelow and Juan Zarate warn that elephants could be extinct in the wild in about a decade.
The U.S. and China sign a historic climate change agreement, but elephant poaching remains an issue.
With global warming threatening several bird species, a new national bird may be needed.
New Yorkers lose the right to pose for photos while touching a tiger.
"A Window on Eternity" author Edward O. Wilson discusses his lifelong fascination with ants.
The Audubon Society's David Yarnold discusses protecting the spotted owl from an invasive species.
Stephen begins his manly celebration of Ernest Hemingway by surrounding himself with dead animals.
There's hope for endangered species, and Stephen Fry is a man of many talents.
The black rhino is on the brink of extinction, but a hunting club has a free-market solution.
OCEARCH founder Chris Fischer explains why the ocean needs lots of sharks.
Jessica Williams investigates the precipitous decline of the pubic lice population.
Al Madrigal learns the slippery slope to tyranny begins on a manatee's back.
Benh Zeitlin describes Louisiana's bayou communities and his film, "Beasts of the Southern Wild."
Kate Middleton spreads the winter barf bug, and panda blood contains super antibiotics.
Ranger Steve struggles to prevent a revolt after a flood wipes out most of the town.
Warren Buffett argues that he should pay higher taxes and shouldn't be treated like a bald eagle.
DL Hughley is about to save this species like a mother f**ker.
DL Hughley uses a different strategy to get signatures for his petition.
Celebrity guests help D.L. Hughley spread the Bro Life message.