Mr. RICHARD WOBBEKIND (Economist, University of Colorado in Boulder): We're talking about coal, natural gas.

NPR: Cashing In on Economic Downturn

Tom McCollom is a geochemist at the University of Colorado in Boulder.

NPR: Mars Rover Marks Second Anniversary of Landing

He's an economist at the University of Colorado in Boulder.

NPR: Cashing In on Economic Downturn

The researchers, led by Sean Raymond, of the University of Colorado at Boulder, carried out computer simulations of gas giant migration in forming planetary systems.

BBC: NEWS | Science/Nature | Earth-like planets may be common

According to John Wahr at the University of Colorado-Boulder, glaciers and ice caps in places other than Greenland and Antarctica lost about 30% less ice than had previously been estimated.

FORBES: Man The Lifeboats! Global Warming Has Oceans Rising At Alarming Rate! (Or Maybe not)

D. in English and Education at the University of Colorado at Boulder.

WHITEHOUSE: President Obama Announces More Key Administration Posts

He paid for college and law school at the University of Colorado by leasing and operating small gold mines in the mountains near Boulder.

FORBES: Magazine Article

One example is a course at the University of Colorado, Boulder that tried the software as one of 80 that used Coursekit in courses starting in September 2011.

FORBES: Will Coursekit Launch Up-End Blackboard?

The extent of the problem, at least at optical frequencies, has recently been catalogued by Pierantonio Cinzano and Fabio Falchi at the University of Padua, Italy, and Christopher Elvidge at the National Geophysical Data Centre in Boulder, Colorado.

ECONOMIST: Going, going, nearly gone