Tools for Exploration:
Canada's National Climate Data and Information Archive.
Intergovernmental Panel on Climate Change Reports.
NASA Global Climate Change Facts.
National Oceanic and Atmospheric Administration (NOAA) Maps and Data.
NOAA Climate Reconstruction.
NOAA-CIRES Twentieth Century Reanalysis (V2c) Tools.
WorldClime lets you plug climate data into Geographic Information Systems (GIS).
ArkGIS allows you to explore the history, present, and future of Arctic climate change.
Old Weather lets you contribute to climatic reconstructions by examining ship logbooks from the First World War.
The climate and environmental history collaborative research environment (Tambora) lets researchers build climate data together.
Our Best Graph:
A multi-proxy, scientific reconstruction of fluctuations in mean temperatures across the Northern Hemisphere (a), the Southern Hemisphere (b), and the world (c). Every line reflects temperature data produced by a different proxy. Masson-Delmotte, Valérie et al., “Information from Paleoclimate Archives.” In Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, edited by T. F. Stocker et al. (Cambridge: Cambridge University Press, 2014), 409.