Explore This SectionScienceClimate ChangeClimate Time MachineEarthExploreExplore Earth ScienceAgricultureAir QualityClimate ChangeFreshwaterLife on EarthSevere StormsSnow and IceThe Global OceanClimate ChangeFactsEvidenceCausesEffectsScientific ConsensusWhat is Climate Change?Extreme WeatherQuestions (FAQ)Earth IndicatorsCarbon DioxideGlobal TemperatureMethaneArctic Sea Ice Minimum ExtentIce SheetsSea LevelOcean WarmingNewsMoreMitigation and AdaptationSustainability and Government ResourcesMultimediaClimate InteractivesCambio climático (en español) Climate Time MachineUnable to render the provided sourceIn this "Climate Time Machine," see how some of the key indicators of climate change - such as temperature, sea ice extent and carbon dioxide concentrations - have changed in Earth's recent history.October 15, 2013 Credit NASA Earth Science Language english