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Articles & Publications

Geoffrey
Short
,
Addison K.
Stark
,
Daniel
Matuszak
,
James F.
Klausner

Fresh water withdrawal for thermoelectric power generation in the U.S. is approximately 139 billion gallons per day (BGD), or 41% of total fresh water draw, making it the largest single use of fresh water in the U.S.  Of the fresh water withdrawn for the power generation sector, 4.3 BGD is dissipated to the atmosphere by cooling towers and spray ponds. 

Joseph S.
Manser
,
Joseph A.
Rollin
,
Kristen E.
Brown
,
Eric A.
Rohlfing

With aggressive commitments to mitigate the impacts of climate change and emphasis on maintaining an advantage in technological development in an increasingly globalized marketplace, the U.S. government is actively taking measures to ensure the nation’s environmental and economic health and sustainability. As part of its broader strategy, with motivation from the National Academies, the United States established the Advanced Research Project Agency-Energy (ARPA-E) within the Department of Energy (DOE) through the America Competes Act in 2007. The agency was allotted an initial...

ARPA-E
Staff

Since 2009, ARPA-E has funded over 500 potentially transformational energy technology projects. Many of these projects have already demonstrated early indicators of technical and commercial success. ARPA-E has begun the process of analyzing and cataloging some of the agency’s most successful projects. This document is a compilation of the first volume of these impactful technologies.

Keith
Paustian
,
Nell
Campbell
,
Chris
Dorich
,
Ernest
Marx
,
Amy
Swan

Reducing (and eventually reversing) the increase in greenhouse gases (GHGs) in the atmosphere due to human activities, and thus reducing the extent and severity of anthropogenic climate change, is one of the great challenges facing humanity. While most of the man-caused increase in GHGs has been due to fossil fuel use, land use (including agriculture) currently accounts for about 25% of total GHG emissions and thus there is a need to include emission reductions from the land use sector as part of an effective climate change mitigation strategy.

John P.
Lemmon

Investments in solar photovoltaics and wind turbines are soaring as costs fall and governments and companies seek to reduce greenhouse-gas emissions. But fluctuating power from the wind and sun threatens to destabilize electricity grids. As more intermittent sources are connected, the power surges and crashes. This increases variability in voltage, in power and in the frequency of alternating current.

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