Related by context. Frequent words. (Click for all words.) 62 Medieval Warm Period 60 Little Ice Age 55 storminess 53 Younger Dryas 53 interglacial period 52 #.#C [004] 52 sunspot activity 51 interglacial 51 aridity 51 equatorial Pacific Ocean 51 northern latitudes 50 temperate regions 50 warmer 50 subtropical regions 50 equatorial Pacific 50 latitudes 49 hotter summers 49 El Ninos 49 ENSO 49 climate alarmists 49 climatically 49 hydrological cycle 49 geologically active 49 equatorial regions 48 sunspot cycle 48 glaciation 48 Northern Hemisphere 47 solar nebula 47 colder winters 47 climatological 47 wetter 47 continental crust 47 temperate zones 47 Pliocene 47 dewpoint 47 volcanism 46 temperatures 46 mid latitudes 46 warmest 46 ˚ C 46 tropical climates 46 degree centigrade 46 Polar Regions 46 ° C 46 volcanically active 46 climatic conditions 45 degrees warmer 45 tropics 45 Volcanic eruptions 45 anomalously 45 El Nino warming 45 terrestrial ecosystems 45 biogenic 45 marine sediments 45 abiotic 45 climate modelers 45 Holocene 45 oxygen isotopes 45 atmospheric circulation 45 temperate 45 warmer temperatures 45 colder 45 sunspots 45 La Niña 44 ozone depletion 44 lavas 44 geomagnetic 44 vernal 44 greenhouse warming 44 atmospheric CO 44 irradiance 44 atmospheric methane 44 milder winters 44 El Nino phenomenon 44 methane hydrates 44 Meridiani 44 El Niño 44 º C 44 balmy temperatures 44 biodiversity hotspots 44 temperature 44 polar caps 44 cold climates 44 glacial melt 43 Humid 43 rainier 43 degrees Celcius 43 equinoxes 43 mild winters 43 temperate climates 43 clement 43 equatorial 43 climatic 43 warmer winters 43 winters 43 lithosphere 43 Arctic Oscillation 43 lake sediments 43 mass extinctions 43 atmospheric 43 warmer drier