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U.S. gender wage gap grows for first time in a decade; Trump has embraced NC's Mark Robinson, calling him 'Martin Luther King on steroids'; Volunteers sought as early voting kicks off in MN; Women's political contributions in congressional races fall short of men's.

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Rising threats of political violence, a Federal Reserve rate cut, crypto industry campaign contributions and reproductive rights are shaping today's political landscape.

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A USDA report shows a widening gap in rural versus urban health, a North Carolina county remains divided over a LGBTQ library display, and Minnesota Gov. Tim Walz' policies are spotlighted after his elevation to the Democratic presidential ticket.

Colorado Leaders Consider Converting Waste into Natural Gas

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Friday, May 20, 2016   

DENVER - Raw sewage rarely draws a crowd, but former Colorado Gov. Bill Ritter joined city leaders from across the state in Denver on Thursday to learn more about turning human waste into natural gas.

David Cox, director of operations for the Renewable Natural Gas Coalition, said turning waste into fuel actually can lower greenhouse-gas emissions that otherwise would be released on farms, landfills and water-treatment facilities.

"Renewable natural gas provides an opportunity to convert everyday waste into transportation fuel or renewable electricity," he said. "This can be part of Colorado's solution to smog and air pollution, to combat climate change, to stabilize fuel prices."

Cox said the same energy extracted by drilling deep into the earth can be harvested from landfills and sewage because, regardless of where organic matter decomposes, methane - the primary component of natural gas - is released. Since methane is more than 80 times more powerful at trapping heat than is carbon dioxide, he said, redirecting emissions into a pipeline could help reduce climate pollution.

Cox pointed to the city of Grand Junction as one example of how renewable natural gas can provide cleaner energy for transportation. He said the city's Persigo Wastewater Treatment Plant already transforms more than 8 million gallons of sewage into fuel for some 40 vehicles.

"They're capturing their waste gas at their wastewater treatment plant," he said. "They're fueling their city's vehicles - refuse trucks, street sweepers, dump trucks and sedans."

Because the conversion process ends up paying for itself, Cox said, Colorado has an opportunity to replicate Grand Junction's efforts across the state. With shale production declining, he said, tapping Colorado's energy infrastructure for renewables could be something that anti-fracking activists and the gas industry can agree on. The conference was co-sponsored by Energy Vision and the Denver Metro Clean Cities Coalition.


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