Related by context. Frequent words. (Click for all words.) 49 Crutzen 47 Bjorn Lomborg 46 Paul Alivisatos 44 Schellnhuber 42 journal Climatic Change 42 Roger Revelle 42 Ken Caldeira 42 Worldwatch 40 Skeptical Environmentalist 39 James Lovelock 39 Richard Camilli 38 Ausubel 38 Keith Briffa 37 Faisal Moola 37 P. Holdren 37 Carl Wieman 37 Chameides 36 Daniel Kammen 36 CO2 Emissions 36 Veerabhadran Ramanathan 36 Mark Jaccard 36 Stefan Rahmstorf 35 Bonnicksen 35 Canadell 35 permafrost thaws 35 Guldberg 34 Yakobson 34 Scott Shalaway 34 Dan Kammen 34 Pacala 34 Noah Horowitz 33 nitrous oxide N2O 33 Christopher Flavin 32 Ove Hoegh Guldberg 32 Eaarth 32 Superfreakonomics 31 terra preta 31 Daniel Esty 31 Nanocrystals 31 Soulé 30 Tzeporah Berman 30 Steven Guilbeault 30 Daryl Copeland Adjunct 29 Holonyak 29 Jonathan Overpeck 29 Nepstad 28 Pavan Sukhdev 28 Natural Capitalism 28 NatureServe 28 Anthony Atala 26 Vladimir Chuprov 26 Stephen Freedland 26 absorbing carbon dioxide 26 Arnold Eisen 26 carbon sinks 26 astronomer lecturer 26 permafrost melts 25 potent greenhouse gas 25 Jeffrey Zaslow Hyperion 25 respire 25 By Katie Klingsporn 25 Dan Esty 25 Michael Dirr 25 decarbonization 25 liverworts 24 forest ecologist 24 Michael A'Hearn 24 carbon sequestering 23 combusts 23 Stephan Singer 23 acidify 23 peat lands 22 decomposers 22 seeds germinate 22 sequestering carbon 21 Degradation REDD 21 quaking aspen 21 photosynthesize 21 biodegrades 21 AP Interview Schieffer 20 Dr. Anthony Atala 20 sequester carbon 20 absorb carbon dioxide 20 VA MUSETTO VA Musetto 20 decarbonize 19 loblolly pines 19 regrew 19 absorbs carbon dioxide 18 sequester CO2 18 sequester carbon dioxide 17 Wollemi pine 17 Coal gasification 17 absorbs sunlight 17 leafless charred trunks 17 % #F# 3v.jsn 16 resprout 15 Replanting 14 Kazuo Ishiguro novel 14 Ponderosa Pine 12 pine oak 11 regrows