Environmental Geochemistry Issues Semi-Monthly: California Water Board Finds Oil-industry Contamin...

Environmental Geochemistry Issues Semi-Monthly: California Water Board Finds Oil-industry Contamin...: California Water Board Finds Oil-industry Contaminants in Water Wells : Center for Biological Diversity: Fracking Near Protected Groundwater...

Pumpjacks on Lost Hills Oil Field in California on Route 46 at Sunset

(Image: Arne HÜCKELHEIM at Wikimedia Commons; Creative Commons Attribution-Share Alike 3.0 Unported license; 16 May 2009)