Talks Tagged > Oil

• Carl Safina: The oil spill's unseen culprits, victims

• 19:55 Posted: Jul 2010
  Comments 321   Emailed 402

• Garth Lenz: The true cost of oil

• 17:40 Posted: Feb 2012
  Comments 617   Emailed 406

• Lisa Margonelli: The political chemistry of oil

• 17:14 Posted: Aug 2010
  Comments 169   Emailed 101