What lies ahead sky-wise for 2012? Joe Rao, SPACE.com Skywatching Columnist, selected what he considers to be the top 12 "skylights" for this coming year,
Keystone pipeline protests are aimed at highlighting the need to address the causes of climate change by reducing our use of carbon-based fuels, Cobb writes. But advocating for a carbon tax might be a better way to spur innovation in energy efficiency and renewable energy production.
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