TY - RPRT TI - Warming and earlier spring increase Western U.S. forest wildfire activity AU - A.L. Westerling AU - H.G. Hidalgo AU - D.R. Cayan AU - T.W. Swetnam PY - 2006 DO - 10.1126/science.1128834 UR - https://pubs.usgs.gov/publication/70028174 ID - 70028174 ER -