There is no single cause for the decline of scientific education and understanding of science (at least in the United States), just as there is no single cure. It's a complex, deeply intertwined problem with multiple roots and branches.
MORE: http://www.slate.com/articles/technology/future_tense/2012/06/bad_astronomy_blogger_on_science_education_and_why_he_became_an_astronomer_.html
See also...
More Than 635,000 Martian Craters Catalogued
http://www.sciencedaily.com/releases/2012/06/120611134348.htm
NuSTAR to Drop from Plane and Rocket Into Space
http://www.sciencedaily.com/releases/2012/06/120611195728.htm
NASA Mars Rover Team Aims for Landing Closer to Prime Science Site
http://www.sciencedaily.com/releases/2012/06/120611195941.htm
Europeans to Build World’s Biggest Eye On the Sky: Largest Optical/Infrared Telescope
http://www.sciencedaily.com/releases/2012/06/120611201856.htm