'Unfunded liabilities' a financial myth, expert says

A growing chorus of complaints about the U.S. government’s “unfunded” debts may be unsettling, but no cause to become unnerved, a University of Illinois tax expert says.

Video: Tracking human emissions from space

The Copernicus Anthropogenic Carbon Dioxide Monitoring (CO2M) mission will be the first satellite mission to measure how much carbon dioxide is released into the atmosphere through human activity.

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