Related by context. Frequent words. (Click for all words.) 47 Sperling 45 Browner 43 Larry Summers 43 Summers 42 Romer 42 McKibben 41 Metzger 41 Secretary Steven Chu 40 Bingaman 40 Doerr 40 NASA Administrator 40 Bork 40 Lawrence Summers 40 Sen. Ken Salazar 40 Logsdon 39 Baier 39 Holsinger 39 Orszag 39 Kurtz 38 Salazar 38 Peter Orszag 38 Becker 38 Shull 38 global warming 38 Steger 38 Carper 38 Steffen 37 Ritter 37 Weigel 37 Talbott 37 Keyes 37 Gore 37 Johnsen 37 Rummel 37 Shaffer 37 Global Warming 36 Minner 36 Lofgren 36 Kempthorne 36 Daugherty 36 Foust 36 Ehrlich 36 Ken Salazar 36 Coburn 36 Nowicki 36 Leavitt 36 Pence 36 Hoagland 36 Chrisman 36 Gramm 36 Elmendorf 36 Risch 35 Kagan 35 Marrs 35 Neff 35 Gensler 35 Claypool 35 Freudenthal 35 Samuelson 35 Pfeifer 35 Strom 35 Albright 35 Nichols 35 Ehlers 35 Wasson 35 Stine 35 Lovelock 35 Hansen 35 LeMieux 35 Shumway 35 Kline 34 Bellinger 34 Gerberding 34 National Academies 34 John Podesta 34 Sommers 34 Weller 34 Gorski 34 Kranz 34 Moser 34 Baumgartner 34 climate change 34 Schmitt 34 McClellan 34 Soderberg 34 Spangler 34 EPA Administrator 34 Fulkerson 34 Eberhart 34 Poindexter 34 Wetzel 34 Graber 34 Fuhrman 34 Krebs 34 Napolitano 34 Vilsack 34 Christiansen 34 Lorenz 34 Bruner 34 Koester 34 Mohler