When workplace safety expert Eric Esswein got a chance to see fracking in action not too long ago, what he noticed was all the dust.
It was coming off big machines used to haul around huge loads of sand. The sand is a critical part of the hydraulic fracturing method of oil and gas extraction. After workers drill down into rock, they create fractures in that rock by pumping in a mixture of water, chemicals and sand. The sand keeps the cracks propped open so that oil and gas are released.
In the heart of the Amazon in western Brazil, an Indian tribe called the Surui lived in the Stone Age as recently as the late 1960s. They wore loincloths, hunted monkeys with bows and arrows, and knew little of the increasingly modernized country in which they lived.
Originally published on Thu March 28, 2013 4:30 pm
President Obama has established a new bipartisan commission on election administration, something he promised to do in his Feb. 12 State of the Union address. He signed an executive order Thursday making it official.