Environment

November 27, 2013 9:00 PM

Fracking requires chemicals and water, raising unresolved claims about pollution

Fracking, the controversial drilling technique that is driving America’s energy boom, has been around for decades. But it was only in the last decade that the process of blasting underground rocks with water and chemicals was refined enough to deliver a long sought oil and gas bounty and stir a furious debate over its health and environmental consequences.

Related content

Comments

Videos

More Videos

Scenes of late spring on the American River Parkway 00:53

Scenes of late spring on the American River Parkway

Warriors fans pack Oracle Arena for game 7 01:35

Warriors fans pack Oracle Arena for game 7

Mariposa's Morgan Hughes on section title win 02:54

Mariposa's Morgan Hughes on section title win

Helicopter flight at Open Cockpit Day 00:36

Helicopter flight at Open Cockpit Day

Urijah Faber gets ready for Dominick Cruz in UFC title fight 00:50

Urijah Faber gets ready for Dominick Cruz in UFC title fight

Here's how to handle, survive bear encounters 07:49

Here's how to handle, survive bear encounters

Pacheco High football players injured in DUI-related chase, crash 00:38

Pacheco High football players injured in DUI-related chase, crash

Merced Cemetery District prepares for Memorial Day 01:28

Merced Cemetery District prepares for Memorial Day

Merced's Daniel Ambriz headed to State Meet 01:35

Merced's Daniel Ambriz headed to State Meet

Merced County fire crews battle house fire in Winton 00:26

Merced County fire crews battle house fire in Winton

Buhach Colony freshman Morgan Johnson qualifies for state meet 01:28

Buhach Colony freshman Morgan Johnson qualifies for state meet

John Pedozo, Merced County District 1 incumbent 03:22

John Pedozo, Merced County District 1 incumbent

Share Video

Editor's Choice Videos