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A NASA satellite designed to study carbon emissions is sleeping with the fishes somewhere off Antarctica.
Ten seconds of work has digitized libraries, whether the amateur translators know it or not.
Before wind power can feed 20 percent of America's energy diet, new high-voltage wires will need to connect turbines to cities. After mapping which areas of the country have both strong wind speeds and little human development, Ohio-based American Electric Power developed one possible plan for future power lines included in a US Department of Energy report on wind last year.
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Wind power could feed 20 percent of the US energy diet. But first, the country needs a new energy network.
Long-promised cellulosic ethanol is in modest production, but hurdles remain.
Global economic crises underscores urgency of the goal, even as it delays progress.