Government Information

Earl Gregg Swem Library

Evaluating and Ranking Threats to the Long-Term Persistence of Polar Bears

Categories: Animals/Wildlife,Arctic/Antarctic,Environment

http://pubs.usgs.gov/of/2014/1254/pdf/ofr2014-1254.pdf

Uses new models to forecast the future status of polar bears worldwide and new information on actual and predicted polar sea ice loss to evaluate the threats and plan management actions to mitigate the threats in four ecoregions.  From the U.S. Geological Survey

 

Trends in Hydraulic Fracturing Distributions and Treatment Fluids, Additives, Proppants, and Water Volumes Applied to Wells Drilled in the United States from 1947 through 2010 …

Categories: Energy,Environment,Geology/Mining,Natural Resources,Science/Technology

http://pubs.usgs.gov/sir/2014/5131/pdf/sir2014-5131.pdf#

Identifies hydraulic fracturing trends in drilling methods and use of fluids/chemical additives in nearly 1 million wells drilled in the U.S.  over a 60 year time period.  Compares these findings to the literature to establish a common understanding of how newer technology has affected water use volumes and other factors.  From the U.S. Geological Survey