Launched in 2016, the Actuaries Climate Index (ACI) applies the analytical tools of risk professionals to the issue of climate change. This resource provides "an objective measure of changes in extreme weather and changes in sea level relative to the base period of 1961 through 1990" by using six representative long-range data components and examining how they are changing over time. The ACI is...

Another free offering from the National Academic Press (NAP), which was created "to publish the reports issued by the National Academy of Sciences, the National Academy of Engineering, the Institute of Medicine, and the National Research Council, all operating under a charter granted by the Congress of the United States." NAP publishes several hundred books a year on a wide range of topics and...

According to the National Climatic Data Center, which is a branch of the National Oceanic and Atmospheric Administration (NOAA), 2014 was the warmest year globally since record keeping began in 1880. This website presents the report in an easily digestible format, with tables, maps, and bullet pointed lists. Highlights include the global land and ocean temperatures, which were both the highest on...