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NPR

Solar Panels Compete With Cheap Natural Gas

With new, affordable supplies of natural gas coming to market, renewable forms of energy are having difficulty competing. Electricity prices are down, which means it now takes longer for people who installed solar panels to recover their investment.
NPR

Fracking Byproducts May Be Linked To Ohio Quakes

Melissa Block interviews John Armbruster, a seismologist with Lamont-Doherty Earth Observatory, part of Columbia University, about why he believes the waste from fracking in Ohio has led to the earthquakes there. He says the injection of waste water from the fracking process created pressure on nearby faults, and he expects the quakes to continue — even after the process is stopped.
NPR

Exploring Stephen Hawking's 'Unfettered Mind'

The scientist is known as much for his contributions to theoretical cosmology and quantum gravity as for his willingness to make science accessible for the general public. His work is the topic of a new biography by science writer Kitty Ferguson.
NPR

Year in Review: Science Stories of 2011

From the tsunami-damaged Fukushima nuclear power plant to the end of NASA"s shuttle program, a great deal of science stories made headlines this year. Science writers Mariette DiChristina, Matt Crenson, Steven Levy, and Paul Raeburn join Ira Flatow to discuss the year's top stories in science.
NPR

Gas Pains? U.S. Diesel, Gas Exports Surpass Imports

For the first time since Harry Truman was president, the country is exporting more petroleum products than it imports. Domestic demand for diesel and gasoline is down while production is up. That's made it difficult for some refineries to stay in business.
NPR

Iran Ratchets Up Tension, Threatens To Cut Oil Route

The country's top admiral says his forces can easily close the strategic Strait of Hormuz, where up to 20 percent of the world's oil flows. In response, the U.S. warns that any disruption at the strait "will not be tolerated." And a Saudi official says Gulf Arab nations are ready to offset any loss of Iranian crude.
NPR

As Nuclear Plants Age, No Easy Energy Solutions

Nuclear power generates 20 percent of electricity in the U.S., but the nation's reactors are aging — and new plants are expensive and take years to build. Gas, coal, wind and solar are potential alternatives, but all have environmental or logistical drawbacks.
WAMU 88.5

U.S. Treasury Earns LEED Certification

The federal building in charge of green is going green. The U.S. Treasury Building has been awarded LEED certification.

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