Garth Lenz, an internationally-renowned, environmental photo-journalist, will present his award-winning slideshow talk “The True Cost of Oil” on the Alberta Tar Sands in the Blanchard Room of the Yolo County Library – Mary L. Stephens Davis Branch from 7:00-8:30 p.m. on Tuesday, April 16.  Suggested donation $10 to defray travel expenses.  No one turned away.