Energy/Environment NASA satellite could answer nagging global warming questions

Launching Tuesday, the Orbiting Carbon Observatory, Version 2.0, is designed to monitor changes to carbon dioxide levels in the atmosphere and could shed light on global warming processes.

By , Staff writer

JPL-Caltech/NASA/AP/File

The National Aeronautics and Space Administration is making final preparations for a Tuesday morning launch of a $468 million mission to take the measure of Earth's carbon cycle.