National Public Radio: The United States must commit on the scale of the Apollo moon project to end its dependence on carbon-based fuels for electricity and switch to clean, renewable sources in the next decade, former Vice President Al Gore said Thursday. Speaking in Washington, Gore challenged the nation to find a way, within 10 years, to produce all electric power from renewable sources. “The survival of the United States of America as we know it is at risk,” Gore said. “The answer …