Vast new natural gas fields have opened up thanks to an advanced drilling technique called hydraulic fracturing. While natural gas is a cleaner burning fuel than coal or petroleum, extracting it is still hard, dirty work. Some people who live near major projects, like the massive Barnett Shale gas deposit in north Texas, are complaining. Health and environmental concerns are prompting state regulators to take a closer look. » E-Mail This » Add to Del.icio.us
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