Summary: This week on Sierra Club Radio: 1) Luke Tipple, Marine Biologist and Shark-diver, talks with us about Shark Week on the Discovery Channel, swimming with great white sharks, and more 2) Mary Anne Hitt from the Sierra Club's Beyond Coal...
Summary: This week on Sierra Club Radio: 1) Luke Tipple, Marine Biologist and Shark-diver, talks with us about Shark Week on the Discovery Channel, swimming with great white sharks, and more 2) Mary Anne Hitt from the Sierra Club's Beyond Coal...