Related by context. Frequent words. (Click for all words.) 61 Global Footprint 56 Ecological Footprint 53 Christopher Flavin 52 Schellnhuber 51 Majid Ezzati 50 ecological footprint 50 Jonathan Patz 49 biocapacity 49 Worldwatch 48 ecological footprints 48 Russell Mittermeier 47 Pacala 47 Species Programme 47 Ausubel 47 Pontzer 46 Raupach 46 Professor Stiglitz 46 Balbus 46 Chameides 45 Veerabhadran Ramanathan 45 Natural Capitalism 45 IFPRI 45 Infometrics 44 Trucost 44 Cathy Schoen 44 Carbon Footprint 44 AcademyHealth 44 Rignot 44 Rosenstiel School 44 Soulé 44 Neil Raden 44 NatureServe 44 Dan Kammen 44 Pyenson 44 IWMI 44 microbial ecology 44 REEEP 43 Biogeochemistry 43 CIFOR 43 journal Climatic Change 43 Hunter Lovins 43 Behrenfeld 43 WBCSD 43 footprinting 43 Pollution Probe 43 Worldwatch Institute 43 UFZ 43 Enablon 43 Eric Rignot 43 ecoregions 43 GreenOrder 43 forest ecologist 43 Environment Programme Unep 42 Lamont Doherty 42 Climate Impacts Group 42 TEEB 42 Roger Revelle 42 Joel Makower 42 Smol 42 resource depletion 42 Immanuel Wallerstein 42 Offsetters 42 Beth Abramson 42 Cambashi 42 Greenscape Capital Group 42 polar oceans 41 By GreenBiz Staff 41 Klaus Toepfer 41 GHG Protocol 41 Leape 41 paleobiologist 41 Jonathon Porritt 41 GEOSS 41 IAASTD 41 CO2 equivalents 41 MacDorman 41 Al Horr 41 Lavizzo Mourey 41 Achim Steiner UNEP 41 Sultan Al Jaber 41 CarbonFree 41 IUCN Species Survival 41 Development IIED 41 smallholder agriculture 41 Brimblecombe 41 Maestripieri 41 MITEI 41 Scripps Oceanography 41 Philippe Cousteau 41 EIRIS 41 Limnology 41 Carsey Institute 41 Hotez 41 freshwater ecosystems 41 SustainAbility 41 anthropogenic emissions 41 PayItGreen 41 ASGISA 41 Scott Shalaway 41 Sustainable Practices 41 Roland Sturm