NOAA Climate Data: www.ncdc.noaa.gov/cdo-web/
URL endpoint: www.ncei.noaa.gov/cdo-web/api/v2/data
Citation: Lawrimore, Jay H.; Ray, Ron; Applequist, Scott; Korzeniewski, Bryant; Menne, Matthew J. (2016): Global Summary of the Year (GSOY), Version 1. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.7289/JWPF-Y430. 2023-02-03.
Greenhouse gas emission/concentration data: Webpage - GitHub repo