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Cover of ofr20161087; Image credit: U.S. Geological Survey
2016, U.S. Geological Survey (USGS)

Solar power represents an important and rapidly expanding component of the renewable energy portfolio of the United States (Lovich and Ennen, 2011; Hernandez and others, 2014). Understanding the impacts of renewable energy development on wildlife is a priority for the U.S.

Cover of ofr20161079; Image credit: U.S. Geological Survey
2016, U.S. Geological Survey (USGS)

Efforts to improve fish passage have resulted in the replacement of six culverts in Crystal Springs Creek in Portland, Oregon. Two more culverts are scheduled to be replaced at Glenwood Street and Bybee Boulevard (Glenwood/Bybee project) in 2016.

Cover of ofr20161065; Image credit: U.S. Geological Survey
2016, U.S. Geological Survey (USGS)

Topock Marsh is a large wetland adjacent to the Colorado River and the main feature of Havasu National Wildlife Refuge (Havasu NWR) in southern Arizona. In 2010, the U.S.

Cover of ofr20161051; Image credit: U.S. Geological Survey
2016, U.S. Geological Survey (USGS)

Streamflow and concentrations of sodium and chloride estimated from records of specific conductance were used to calculate loads of sodium and chloride during water year (WY) 2014 (October 1, 2013, through September 30, 2014) for tributaries to the Scituate Reservoir, Rhode Island.

Cover of ofr20161033; Image credit: U.S. Geological Survey
2016, U.S. Geological Survey (USGS)

In 2011, the U.S. Environmental Protection Agency (EPA) introduced emissions standards, known as Mercury and Air Toxics Standards (MATS), for a range of toxic constituents from coal-fired utility power stations and other combustion sources.

About the Research Database

The Critical Issues Research Database aggregates geoscience information products from state geological surveys, the U.S. Geological Survey, professional societies, and geoscience information providers to aid decision makers as they address issues at the intersection of the geosciences and society.

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