Related by context. Frequent words. (Click for all words.) 60 IPCC 53 Climate Change IPCC 49 Intergovernmental Panel 49 CRU 48 Landsea 48 WMO 47 MWP 47 ENSO 47 Medieval Warm Period 46 greenhouse warming 46 UN Intergovernmental Panel 46 atmospheric CO2 46 Nature Geoscience 45 World Meteorological Organization 45 WEO 44 UNFCCC 44 greenhouse gas concentrations 44 climatologists 44 anthropogenic 44 GISS 44 Himalayan glaciers 43 Garnaut 43 Climategate 43 World Meteorological Organisation 43 Climate Change 43 decadal 42 ocean acidification 42 streamflow 42 atmospheric concentrations 42 anthropogenic global warming 42 Greenland ice 42 climatological 41 NIWA 41 Holocene 41 ozone depletion 41 Lomborg 41 journal Nature Geoscience 41 atmospheric carbon dioxide 41 reanalysis 40 AGW 40 Trenberth 40 sunspot activity 40 NAO 39 AMAP 39 manmade global warming 39 acidification 39 Pliocene 39 Pachauri 39 Serreze 39 Antarctic Ice 38 Goldstone Report 38 atmospheric circulation 38 albedo 38 journal Geophysical Research 38 Monbiot 38 Tibetan Plateau 38 Little Ice Age 38 epidemiologic studies 38 Hefce 38 climatology 38 peer reviewed 38 Steig 38 #.#C [002] 38 UNEP 38 #ppm [001] 38 taxa 38 UNCLOS 38 Geophysical Research 38 Jarraud 38 IPPC 38 USGS 37 Climatic Research Unit 37 melting glaciers 37 sediment cores 37 coefficients 37 atmospheric chemistry 37 Professor Garnaut 37 troposphere 37 mountain glaciers 37 glaciologist 37 tropical cyclones 37 ICAO 37 glaciation 37 radiocarbon 37 feedbacks 36 NCAR 36 dynamical 36 climate change 36 periodicity 36 National Climatic Data 36 Global Warming 36 Greenhouse Gases 36 IUCN 36 probabilistic 36 Unctad 36 Ross Garnaut 36 volcanism 36 mid latitudes 36 mass extinctions 36 ESCAP 36 peer reviewed papers