From ABC News:Progress This Year Wasn't Just in Hardware but in Understanding the Urgency of Key Issues.
The year 2008 closes with two enormous scientific and technological challenges unresolved: How to create renewable and benign sources of energy and how to lessen the damage we're doing to the global climate system.
Those twin issues are the "greatest challenge facing modern science," according to Nobel laureate Steven Chu, the gifted physicist who has been nominated to head the Department of Energy. He will be at the center of the effort to deal with these vexing problems, and his nomination signals a new day in that effort.
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