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\item more fuel for forest fires  \item Increased frequency of lightning  \item Overall area burned is projected to double by late this century across 11 western states if the average summertime temperature increases 2.9 degrees F.  \item \url{http://www.nwf.org/Wildlife/Threats-to-Wildlife/Global-Warming/Global-Warming-is-Causing-Extreme-Weather/Wildfires.aspx} \end{itemize}  \end{itemize}  \end{itemize}  \end{document}