1. NASA’s Scientific Visualization Studio. Graphic: Global Warming from 1880 to 2018. http://climate.nasa.gov/climate_resources/139/graphic-global-warming-from-1880-to-2018 Updated February 12, 2019. Accessed December 2, 2019
2. Lindsay R, Dahlman L. Climate Change: Global Temperature. September 19, 2019. News & Features. http://www.climate.gov/news-features/understanding-climate/climate-change-global-temperature Accessed December 2, 2019
3. United Nations. Greenhouse gas levels in atmosphere reach new record. November 22, 2018. http://www.un.org/sustainabledevelopment/blog/2018/11/greenhouse-gas-levels-in-atmosphere-reach-new-record Accessed December 2, 2019
4. Recent advances in thermoregulation
5. Berardelli J. Yale Climate Connections. Heat waves and climate change: Is there a connection? June 25, 2019. http://www.yaleclimateconnections.org/2019/06/heat-waves-and-climate-change-is-there-a-connection Accessed December 2, 2019